Drop to import an external card...

Automatic
Maybeboard
Sideboard
Chosen category
Choose category
New category
0 viewsNaN secs ago
Custom
Size: 100
No deck tags
 avatar
0 viewsNaN secs ago
Custom
Size: 100
No deck tags
You have full use of the deck editor! However, as long as you remain in sandbox mode, you will be unable to save your changes.

Choose your preferred layout. You can mix and match options using the View as & Group by drop-downs above.

Commander

Qty: 1 Price: $16.99
Hakbal of the Surging Soul
At the beginning of combat on your turn, each Merfolk creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the exploring creature, then put the card back or put it into your graveyard.)
Whenever Hakbal attacks, you may put a land card from your hand onto the battlefield. If you don't, draw a card.
Legendary Creature - Scout Merfolk
Hakbal of the Surging Soul (lcc) 19

Commander

(CTRL to add secondary)

00. lieutenant

Qty: 2 Price: $7.48
Dreamtide Whale
Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever a player casts their second spell each turn, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Creature - Whale
Dreamtide Whale (mh3) 450
Nicanzil, Current Conductor
Whenever a creature you control explores a land card, you may put a land card from your hand onto the battlefield tapped.
Whenever a creature you control explores a nonland card, put a +1/+1 counter on Nicanzil.
Legendary Creature - Scout Merfolk
Nicanzil, Current Conductor (lci) 306

00. lieutenant

(CTRL to add secondary)

01. Ramp ~Ascend~

Qty: 1 Price: $0.79
Stonybrook Banneret
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Merfolk spells and Wizard spells you cast cost
less to cast.
Creature - Wizard Merfolk
Stonybrook Banneret (lcc) 173

01. Ramp ~Ascend~

(CTRL to add secondary)

01. Ramp ~explorer's put a land~

Qty: 5 Price: $6.25
Explore
You may play an additional land this turn.
Draw a card.
Sorcery
Explore (tle) 259
Growth Spiral
Draw a card. You may put a land card from your hand onto the battlefield.
Instant
Growth Spiral (lcc) 270
Joint Exploration
Kicker
(You may pay an additional
as you cast this spell.)
Scry 2, then draw a card. If this spell was kicked, you may put a land card from your hand onto the battlefield.
Instant
Joint Exploration (dmu) 56
Mind into Matter
Draw X cards. Then you may put a permanent card with mana value X or less from your hand onto the battlefield tapped.
Sorcery
Mind into Matter (sos) 202
Uro, Titan of Nature's Wrath
When Uro enters, sacrifice it unless it escaped.
Whenever Uro enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.
Escape—
, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Legendary Creature - Elder Giant
Uro, Titan of Nature's Wrath (mb2) 93

01. Ramp ~explorer's put a land~

(CTRL to add secondary)

02. Call for Company ~Library Top Caller~

Qty: 2 Price: $3.78
Emperor Mihail II
You may look at the top card of your library any time.
You may cast Merfolk spells from the top of your library.
Whenever you cast a Merfolk spell, you may pay
. If you do, create a 1/1 blue Merfolk creature token.
Legendary Creature - Merfolk Noble
Emperor Mihail II (lcc) 155
Realmwalker
Changeling (This card is every creature type.)
As this creature enters, choose a creature type.
You may look at the top card of your library any time.
You may cast creature spells of the chosen type from the top of your library.
Creature - Shapeshifter
Realmwalker (lcc) 250

02. Call for Company ~Library Top Caller~

(CTRL to add secondary)

02. Call for Company ~Token Caller~

Qty: 4 Price: $27.96
Daughter of the Deep
Whenever you draw your second card each turn, create a 1/1 blue Merfolk creature token.
,
: Target Merfolk can't be blocked this turn.
Creature - Merfolk Noble
Daughter of the Deep (msc) 618
Deeproot Pilgrimage
Whenever one or more nontoken Merfolk you control become tapped, create a 1/1 blue Merfolk creature token with hexproof.
Enchantment
Deeproot Pilgrimage (lci) 52
Deeproot Waters
Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)
Enchantment
Deeproot Waters (xln) 51
Springleaf Parade
When this enchantment enters, create X 1/1 colorless Shapeshifter creature tokens with changeling. (They're every creature type.)
Creature tokens you control have "
: Add one mana of any color."
Enchantment
Springleaf Parade (ecc) 19

02. Call for Company ~Token Caller~

(CTRL to add secondary)

03. Islandwalk / Evasion Teachers

Qty: 5 Price: $32.45
Herald of Secret Streams
Creatures you control with +1/+1 counters on them can't be blocked.
Creature - Warrior Merfolk
Herald of Secret Streams (lcc) 158
Lord of Atlantis
Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
Creature - Merfolk
Lord of Atlantis (spg) 1
Master of the Pearl Trident
Other Merfolk creatures you control get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
Creature - Merfolk
Master of the Pearl Trident (lcc) 162
Mist Dancer
Flying
Other Merfolk you control get +1/+0 and have flying.
Encore
(
, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
Creature - Wizard Merfolk
Mist Dancer (lcc) 76
Namor, Scourge of the Seas
Flying
Each other Merfolk you control with a +1/+1 counter on it has flying.
At the beginning of combat on your turn, target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.)
Legendary Creature - Merfolk Mutant Villain
Namor, Scourge of the Seas (msc) 631

03. Islandwalk / Evasion Teachers

(CTRL to add secondary)

04. Island Shaper

Qty: 6 Price: $7.02
Aquitect's Will
Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.
Sorcery Kindred - Merfolk
Aquitect's Will (ddt) 2
Omo, Queen of Vesuva
Whenever Omo enters or attacks, put an everything counter on each of up to one target land and up to one target creature.
Each land with an everything counter on it is every land type in addition to its other types.
Each nonland creature with an everything counter on it is every creature type.
Legendary Creature - Shapeshifter Noble
Omo, Queen of Vesuva (m3c) 2
Quicksilver Fountain
At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it.
At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.
Artifact
Quicksilver Fountain (mrd) 233
Reef Shaman
: Target land becomes the basic land type of your choice until end of turn.
Creature - Merfolk Shaman
Reef Shaman (apc) 29
Tidal Warrior
: Target land becomes an Island until end of turn.
Creature - Warrior Merfolk
Tidal Warrior (sth) 47
Tide Shaper
Kicker
(You may pay an additional
as you cast this spell.)
When this creature enters, if it was kicked, target land becomes an Island for as long as this creature remains on the battlefield.
This creature gets +1/+1 as long as an opponent controls an Island.
Creature - Wizard Merfolk
Tide Shaper (mh2) 72

04. Island Shaper

(CTRL to add secondary)

05. Coastal Piracy

Qty: 5 Price: $16.11
Attuma, Atlantean Warlord
Other Merfolk you control get +1/+1.
Whenever one or more Merfolk you control attack a player, draw a card.
Legendary Creature - Warrior Merfolk Villain
Attuma, Atlantean Warlord (msh) 47
Bred for the Hunt
Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.
Enchantment
Bred for the Hunt (dgm) 59
Kindred Discovery
As this enchantment enters, choose a creature type.
Whenever a creature you control of the chosen type enters or attacks, draw a card.
Enchantment
Kindred Discovery (lcc) 159
Ray Fillet, Wave Warrior
Flying
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a creature you control with a counter on it deals combat damage to a player, draw a card.
Legendary Creature - Mutant Fish
Ray Fillet, Wave Warrior (tmc) 14
Seafloor Oracle
Whenever a Merfolk you control deals combat damage to a player, draw a card.
Creature - Wizard Merfolk
Seafloor Oracle (lcc) 170

05. Coastal Piracy

(CTRL to add secondary)

05. Coastal Piracy ~Monsterous Pirates~

Qty: 2 Price: $3.08
Cold-Eyed Selkie
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever this creature deals combat damage to a player, you may draw that many cards.
Creature - Merfolk Rogue
Cold-Eyed Selkie (lcc) 266
Starwinder
Whenever a creature you control deals combat damage to a player, you may draw that many cards.
Warp
(You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)
Creature - Leviathan
Starwinder (eoe) 79

05. Coastal Piracy ~Monsterous Pirates~

(CTRL to add secondary)

10. Disturbance ~Denial~

Qty: 3 Price: $1.43
Harbinger of the Tides
You may cast this spell as though it had flash if you pay
more to cast it. (You may cast it any time you could cast an instant.)
When this creature enters, you may return target tapped creature an opponent controls to its owner's hand.
Creature - Wizard Merfolk
Harbinger of the Tides (ori) 58
Merfolk Trickster
Flash
When this creature enters, tap target creature an opponent controls. It loses all abilities until end of turn.
Creature - Wizard Merfolk
Merfolk Trickster (plst) DOM-56
Vodalian Illusionist
,
: Target creature phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)
Creature - Wizard Merfolk
Vodalian Illusionist (plst) WTH-58

10. Disturbance ~Denial~

(CTRL to add secondary)

10. Disturbance ~Naturalize~

Qty: 3 Price: $11.27
Broken Bond
Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.
Sorcery
Broken Bond (dom) 157
Chomping Changeling
Changeling (This card is every creature type.)
When this creature enters, destroy up to one target artifact or enchantment.
Creature - Shapeshifter
Chomping Changeling (ecl) 172
Masked Vandal
Changeling (This card is every creature type.)
When this creature enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.
Creature - Shapeshifter
Masked Vandal (khm) 184

10. Disturbance ~Naturalize~

(CTRL to add secondary)

10. Disturbance ~Spell Pierce~

Qty: 4 Price: $15.26
Cursecatcher
Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays
.
Creature - Wizard Merfolk
Cursecatcher (shm) 34
Mistcaller
Sacrifice this creature: Until end of turn, if a nontoken creature would enter and it wasn't cast, exile it instead.
Creature - Wizard Merfolk
Mistcaller (m19) 62
Tishana's Tidebinder
Flash
When this creature enters, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as this creature remains on the battlefield. (Mana abilities can't be targeted.)
Creature - Wizard Merfolk
Tishana's Tidebinder (lci) 81
Vodalian Hexcatcher
Flash
Other Merfolk you control get +1/+1.
Sacrifice a Merfolk: Counter target noncreature spell unless its controller pays
.
Creature - Wizard Merfolk
Vodalian Hexcatcher (dmu) 75

10. Disturbance ~Spell Pierce~

(CTRL to add secondary)

11. Goodbye

Qty: 2 Price: $11.48
Summon: Leviathan
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Return each creature that isn't a Kraken, Leviathan, Merfolk, Octopus, or Serpent to its owner's hand.
II, III — Until end of turn, whenever a Kraken, Leviathan, Merfolk, Octopus, or Serpent attacks, draw a card.
Ward
Creature Enchantment - Saga Leviathan
Summon: Leviathan (fin) 361
Wave Goodbye
Return each creature without a +1/+1 counter on it to its owner's hand.
Sorcery
Wave Goodbye (lcc) 79

11. Goodbye

(CTRL to add secondary)

12. Protection

Qty: 3 Price: $14.37
Inspiring Call
Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
Instant
Inspiring Call (lcc) 244
Mutational Advantage
Permanents you control with counters on them gain hexproof and indestructible until end of turn. Prevent all damage that would be dealt to those permanents this turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Instant
Mutational Advantage (pip) 111
Ripples of Potential
Proliferate, then choose any number of permanents you control that had a counter put on them this way. Those permanents phase out. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)
Instant
Ripples of Potential (lcc) 77

12. Protection

(CTRL to add secondary)

50. Explorer Expert

Qty: 3 Price: $12.83
Scouting Trek
Search your library for any number of basic land cards, reveal those cards, then shuffle and put them on top.
Sorcery
Scouting Trek (inv) 210
Topography Tracker
When this creature enters, create a Map token. (It's an artifact with "
,
, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")
If a creature you control would explore, instead it explores, then it explores again.
Creature - Scout Merfolk
Topography Tracker (lcc) 95
Twists and Turns
If a creature you control would explore, instead you scry 1, then that creature explores.
When this enchantment enters, target creature you control explores.
When a land you control enters, if you control seven or more lands, transform this enchantment.
Enchantment
Twists and Turns // Mycoid Maze (lci) 217Twists and Turns // Mycoid Maze (lci) 217

50. Explorer Expert

(CTRL to add secondary)

51. Draw/Scry/Looting

Qty: 4 Price: $6.76
Harmonized Trio
, Tap two untapped creatures you control: This creature becomes prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
Creature - Wizard Merfolk Bard
Harmonized Trio // Brainstorm (sos) 52
Mindspring Merfolk
Exhaust —
,
: Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)
Creature - Wizard Merfolk
Mindspring Merfolk (dft) 51
Search for Azcanta
At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)
Legendary Enchantment
Search for Azcanta // Azcanta, the Sunken Ruin (plst) XLN-74Search for Azcanta // Azcanta, the Sunken Ruin (plst) XLN-74
Silvergill Adept
As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay
.
When this creature enters, draw a card.
Creature - Wizard Merfolk
Silvergill Adept (prix) 53

51. Draw/Scry/Looting

(CTRL to add secondary)

52. tutoring

Qty: 3 Price: $5.57
Deeproot Historian
Merfolk and Druid cards in your graveyard have retrace. (You may cast cards with retrace from your graveyard by discarding a land card in addition to paying their other costs.)
Creature - Druid Merfolk
Deeproot Historian (lcc) 91
Forerunner of the Heralds
When this creature enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
Whenever another Merfolk you control enters, put a +1/+1 counter on this creature.
Creature - Scout Merfolk
Forerunner of the Heralds (rix) 129
Merrow Harbinger
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
When this creature enters, you may search your library for a Merfolk card, reveal it, then shuffle and put that card on top.
Creature - Wizard Merfolk
Merrow Harbinger (plst) LRW-73

52. tutoring

(CTRL to add secondary)

77. Mercadian Marchant ~utilization of surplus land~

Qty: 6 Price: $16.24
Ensnare
You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Tap all creatures.
Instant
Ensnare (nem) 32
Gush
You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.
Instant
Gush (mmq) 82
Overtaker
,
, Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.
Creature - Merfolk Spellshaper
Overtaker (pmmq) 89
Saprazzan Legate
If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost.
Flying
Creature - Soldier Merfolk
Saprazzan Legate (mmq) 100
Thwart
You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.
Instant
Thwart (mmq) 108
Waterfront Bouncer
,
, Discard a card: Return target creature to its owner's hand.
Creature - Merfolk Spellshaper
Waterfront Bouncer (mmq) 114

77. Mercadian Marchant ~utilization of surplus land~

(CTRL to add secondary)

78. Wired

Qty: 1 Price: $2.99
Rootwater Thief
: This creature gains flying until end of turn.
Whenever this creature deals combat damage to a player, you may pay
. If you do, search that player's library for a card and exile it, then the player shuffles.
Creature - Merfolk Rogue
Rootwater Thief (nem) 40

78. Wired

(CTRL to add secondary)

90. land

Qty: 35 Price: $77.71
Agna Qel'a
This land enters tapped unless you control a basic land.
: Add
.
,
: Draw a card, then discard a card.
Land
Agna Qel'a (tla) 264
Alchemist's Refuge
: Add
.
,
: You may cast spells this turn as though they had flash.
Land
Alchemist's Refuge (lcc) 318
Arch of Orazca
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
: Add
.
,
: Draw a card. Activate only if you have the city's blessing.
Land
Arch of Orazca (lcc) 319
Breeding Pool
(
: Add
or
.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.
Land - Island Forest
Breeding Pool (eoe) 251
Forest
(
: Add
.)
Basic Land - Forest
Forest (mmq) 347
Island
(
: Add
.)
Basic Land - Island
Island (6ed) 335
Karn's Bastion
: Add
.
,
: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Land
Karn's Bastion (lcc) 339
Mistrise Village
This land enters tapped unless you control a Mountain or a Forest.
: Add
.
,
: The next spell you cast this turn can't be countered.
Land
Mistrise Village (tdm) 261
Mystic Sanctuary
(
: Add
.)
This land enters tapped unless you control three or more other Islands.
When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.
Land - Island
Mystic Sanctuary (mb2) 110
Path of Ancestry
This land enters tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Land
Path of Ancestry (who) 293
Rain-Slicked Copse
(
: Add
or
.)
This land enters tapped.
Cycling
(
, Discard this card: Draw a card.)
Land - Island Forest
Rain-Slicked Copse (soc) 397
Rivendell
Rivendell enters tapped unless you control a legendary creature.
: Add
.
,
: Scry 2. Activate only if you control a legendary creature.
Legendary Land
Rivendell (ltr) 344
Shifting Woodland
This land enters tapped unless you control a Forest.
: Add
.
Delirium —
: This land becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.
Land
Shifting Woodland (mh3) 228
Sink into Stupor
Return target spell or nonland permanent an opponent controls to its owner's hand.
Instant
Sink into Stupor // Soporific Springs (mh3) 241Sink into Stupor // Soporific Springs (mh3) 241
Sodden Verdure
(
: Add
or
.)
This land enters tapped unless you control two or more basic lands.
Land - Island Forest
Sodden Verdure (soc) 406
Terrain Generator
: Add
.
,
: You may put a basic land card from your hand onto the battlefield tapped.
Land
Terrain Generator (clb) 926
Turbulent Wilderness
(
: Add
or
.)
This land enters tapped unless your opponents control eight or more lands.
Land - Island Forest
Turbulent Wilderness (soc) 59
Umara Wizard
Whenever you cast an instant, sorcery, or Wizard spell, this creature gains flying until end of turn.
Creature - Wizard Merfolk
Umara Wizard // Umara Skyfalls (znr) 86Umara Wizard // Umara Skyfalls (znr) 86

90. land

(CTRL to add secondary)

Sideboard

Qty: 118 Price: $290.08
Aetherspouts
For each attacking creature, its owner puts it on their choice of the top or bottom of their library.
Instant
Aetherspouts (m15) 44
Aquatic Incursion
When this enchantment enters, create two 1/1 blue Merfolk creature tokens with hexproof. (They can't be the targets of spells or abilities your opponents control.)
: Target Merfolk can't be blocked this turn.
Enchantment
Aquatic Incursion (rix) 32
Arctic Merfolk
Kicker—Return a creature you control to its owner's hand. (You may return a creature you control to its owner's hand in addition to any other costs as you cast this spell.)
If this creature was kicked, it enters with a +1/+1 counter on it.
Creature - Merfolk
Arctic Merfolk (pls) 21
Atlantean Skirmisher
Whenever this creature attacks, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)
Creature - Merfolk Rogue
Atlantean Skirmisher (msc) 616
Augur of Bolas
When this creature enters, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
Creature - Wizard Merfolk
Augur of Bolas (m13) 43
Biomass Mutation
Creatures you control have base power and toughness X/X until end of turn.
Instant
Biomass Mutation (soc) 297
Brainstorm
Draw three cards, then put two cards from your hand on top of your library in any order.
Instant
Brainstorm (ss1) 3
Brainsurge
Draw four cards, then put two cards from your hand on top of your library in any order.
Instant
Brainsurge (mh3) 53
Caller of Gales
,
: Target creature gains flying until end of turn.
Creature - Wizard Merfolk
Caller of Gales (zen) 43
Carpet of Flowers
At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.
Enchantment
Carpet of Flowers (usg) 240
Celestial Reunion
As an additional cost to cast this spell, you may choose a creature type and behold two creatures of that type.
Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle. If this spell's additional cost was paid and the revealed card is the chosen type, put that card onto the battlefield instead of putting it into your hand.
Sorcery
Celestial Reunion (ecl) 170
Cenote Scout
When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)
Creature - Scout Merfolk
Cenote Scout (lci) 178
Champions of the Shoal
As an additional cost to cast this spell, behold a Merfolk and exile it. (Exile a Merfolk you control or a Merfolk card from your hand.)
Whenever this creature enters or becomes tapped, tap up to one target creature and put a stun counter on it.
When this creature leaves the battlefield, return the exiled card to its owner's hand.
Creature - Soldier Merfolk
Champions of the Shoal (ecl) 46
Change of Plans
Each of X target creatures you control connive. You may have any number of them phase out. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)
Instant
Change of Plans (ncc) 24
Combine Guildmage
,
: This turn, each creature you control enters with an additional +1/+1 counter on it.
,
: Move a +1/+1 counter from target creature you control onto another target creature you control.
Creature - Wizard Merfolk
Combine Guildmage (rna) 163
Coral Merfolk
Creature - Merfolk
Coral Merfolk (m14) 49
Coralhelm Guide
: Target creature can't be blocked this turn.
Creature - Scout Merfolk Ally
Coralhelm Guide (bfz) 74
Cosi's Trickster
Whenever an opponent shuffles their library, you may put a +1/+1 counter on this creature.
Creature - Wizard Merfolk
Cosi's Trickster (zen) 45
Curiosity
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
Enchantment - Aura
Curiosity (wot) 17
Curious Obsession
Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."
At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice this Aura.
Enchantment - Aura
Curious Obsession (plst) RIX-35
Curse of the Swine
Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.
Sorcery
Curse of the Swine (lcc) 150
Darting Merfolk
: Return this creature to its owner's hand.
Creature - Merfolk
Darting Merfolk (mmq) 72
Decisive Denial
Choose one —
• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
• Counter target noncreature spell unless its controller pays
.
Instant
Decisive Denial (stx) 177
Distant Melody
Choose a creature type. Draw a card for each permanent you control of that type.
Sorcery
Distant Melody (mor) 32
Drowner of Secrets
Tap an untapped Merfolk you control: Target player mills a card.
Creature - Wizard Merfolk
Drowner of Secrets (lrw) 58
Enclave Cryptologist
Level up
(
: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-2
0/1
: Draw a card, then discard a card.
LEVEL 3+
0/1
: Draw a card.
Creature - Wizard Merfolk
Enclave Cryptologist (roe) 66
Enter the Unknown
Target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)
You may play an additional land this turn.
Sorcery
Enter the Unknown (rix) 128
Explorer's Scope
Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip
(
: Attach to target creature you control. Equip only as a sorcery.)
Artifact - Equipment
Explorer's Scope (fic) 344
Flooded Shoreline
, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.
Enchantment
Flooded Shoreline (vis) 32
Foil
You may discard an Island card and another card rather than pay this spell's mana cost.
Counter target spell.
Instant
Foil (uma) 55
Give
Put three +1/+1 counters on target creature.
Fuse (You may cast one or both halves of this card from your hand.)
Sorcery
Give // Take (dgm) 129
Gray Harbor Merfolk
This creature can't be blocked.
This creature gets +2/+0 as long as you control a commander that's a creature or planeswalker.
Creature - Merfolk Rogue
Gray Harbor Merfolk (clb) 75
Hadana's Climb
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if that creature has three or more +1/+1 counters on it, transform Hadana's Climb.
Legendary Enchantment
Hadana's Climb // Winged Temple of Orazca (rix) 158Hadana's Climb // Winged Temple of Orazca (rix) 158
Halimar Wavewatch
Level up
(
: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
0/6
LEVEL 5+
6/6
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Creature - Soldier Merfolk
Halimar Wavewatch (roe) 72
Harmonized Crescendo
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for
or one mana of that creature's color.)
Choose a creature type. Draw a card for each permanent you control of that type.
Instant
Harmonized Crescendo (ecl) 54
Hunter's Insight
Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.
Instant
Hunter's Insight (m12) 180
Hunter's Prowess
Until end of turn, target creature gets +3/+3 and gains trample and "Whenever this creature deals combat damage to a player, draw that many cards."
Sorcery
Hunter's Prowess (bng) 124
Hydro-Channeler
: Add
. Spend this mana only to cast an instant or sorcery spell.
,
: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.
Creature - Wizard Merfolk
Hydro-Channeler (sos) 54
Incubation
Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Sorcery
Incubation // Incongruity (plst) RNA-226
Index
Look at the top five cards of your library, then put them back in any order.
Sorcery
Index (apc) 25
Jadelight Ranger
When this creature enters, it explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard. Then repeat this process.)
Creature - Scout Merfolk Ranger
Jadelight Ranger (rix) 136
Jadelight Spelunker
When this creature enters, it explores X times. (To have it explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)
Creature - Scout Merfolk
Jadelight Spelunker (lci) 403
Keen Sense
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.
Enchantment - Aura
Keen Sense (tsr) 213
Kopala, Warden of Waves
Spells your opponents cast that target a Merfolk you control cost
more to cast.
Abilities your opponents activate that target a Merfolk you control cost
more to activate.
Legendary Creature - Wizard Merfolk
Kopala, Warden of Waves (lcc) 160
Landscape Painter
This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
Creature - Wizard Merfolk
Landscape Painter // Vibrant Idea (sos) 56
Lullmage Mentor
Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token.
Tap seven untapped Merfolk you control: Counter target spell.
Creature - Wizard Merfolk
Lullmage Mentor (zen) 54
Manabond
At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.
Enchantment
Manabond (mb2) 208
March of Swirling Mist
As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs
less to cast for each card exiled this way.
Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)
Instant
March of Swirling Mist (neo) 61
Merchant Scroll
Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.
Sorcery
Merchant Scroll (8ed) 91
Merfolk Mistbinder
Other Merfolk you control get +1/+1.
Creature - Merfolk Shaman
Merfolk Mistbinder (lcc) 276
Merfolk of the Pearl Trident
Creature - Merfolk
Merfolk of the Pearl Trident (30a) 66
Merfolk Sovereign
Other Merfolk creatures you control get +1/+1.
: Target Merfolk creature can't be blocked this turn.
Creature - Merfolk Noble
Merfolk Sovereign (lcc) 164
Merfolk Spy
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Whenever this creature deals combat damage to a player, that player reveals a card at random from their hand.
Creature - Merfolk Rogue
Merfolk Spy (m14) 62
Merfolk Wayfinder
Flying
When this creature enters, reveal the top three cards of your library. Put all Island cards revealed this way into your hand and the rest on the bottom of your library in any order.
Creature - Scout Merfolk
Merfolk Wayfinder (zen) 56
Merrow Reejerey
Other Merfolk creatures you control get +1/+1.
Whenever you cast a Merfolk spell, you may tap or untap target permanent.
Creature - Soldier Merfolk
Merrow Reejerey (lcc) 165
Mirri's Guile
At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order.
Enchantment
Mirri's Guile (j19) 1
Mist-Cloaked Herald
This creature can't be blocked.
Creature - Warrior Merfolk
Mist-Cloaked Herald (rix) 43
Moonbow Illusionist
Flying
, Return a land you control to its owner's hand: Target land becomes the basic land type of your choice until end of turn.
Creature - Wizard Moonfolk
Moonbow Illusionist (sok) 46
Muddle the Mixture
Counter target instant or sorcery spell.
Transmute
(
, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
Instant
Muddle the Mixture (rav) 60
Murkfiend Liege
Other green creatures you control get +1/+1.
Other blue creatures you control get +1/+1.
Untap all green and/or blue creatures you control during each other player's untap step.
Creature - Horror
Murkfiend Liege (cmr) 448
Mutable Explorer
Changeling (This card is every creature type.)
When this creature enters, create a tapped Mutavault token. (It's a land with "
: Add
" and "
: This token becomes a 2/2 creature with all creature types until end of turn. It's still a land.")
Creature - Shapeshifter
Mutable Explorer (ecl) 186
Mystic Compass
,
: Target land becomes the basic land type of your choice until end of turn.
Artifact
Mystic Compass (6ed) 302
Namora, the Sea Queen
Flying
Power-up —
: Put a +1/+1 counter on Namora. Create two 1/1 blue Merfolk creature tokens. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)
Legendary Creature - Merfolk Mutant Hero
Namora, the Sea Queen (msc) 632
Neurok Stealthsuit
Equipped creature has shroud. (It can't be the target of spells or abilities.)
: Attach this Equipment to target creature you control.
Equip
(
: Attach to target creature you control. Equip only as a sorcery.)
Artifact - Equipment
Neurok Stealthsuit (5dn) 140
Orysa, Tide Choreographer
This spell costs
less to cast if creatures you control have total toughness 10 or greater.
When Orysa enters, draw two cards.
Legendary Creature - Merfolk Bard
Orysa, Tide Choreographer (sos) 62
Over the Edge
Choose one —
• Destroy target artifact or enchantment.
• Target creature you control explores, then it explores again. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard. Then repeat this process.)
Sorcery
Over the Edge (lci) 205
Path of Discovery
Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)
Enchantment
Path of Discovery (rix) 142
Ponder
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
Sorcery
Ponder (lrw) 79
Quandrix Charm
Choose one —
• Counter target spell unless its controller pays
.
• Destroy target enchantment.
• Target creature has base power and toughness 5/5 until end of turn.
Instant
Quandrix Charm (sos) 217
Quandrix Command
Choose two —
• Return target creature or planeswalker to its owner's hand.
• Counter target artifact or enchantment spell.
• Put two +1/+1 counters on target creature.
• Target player shuffles up to three target cards from their graveyard into their library.
Instant
Quandrix Command (stx) 217
Quicken
The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.)
Draw a card.
Instant
Quicken (gpt) 31
Reality Shift
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)
Instant
Reality Shift (drc) 39
Reconnaissance Mission
Whenever a creature you control deals combat damage to a player, you may draw a card.
Cycling
(
, Discard this card: Draw a card.)
Enchantment
Reconnaissance Mission (msc) 153
Repudiate
Counter target activated or triggered ability. (Mana abilities can't be targeted.)
Instant
Repudiate // Replicate (rna) 227
Repulsive Mutation
Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.
Instant
Repulsive Mutation (mkm) 227
Rishadan Dockhand
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
,
: Tap target land.
Creature - Merfolk
Rishadan Dockhand (mh2) 59
River's Rebuke
Return all nonland permanents target player controls to their owner's hand.
Sorcery
River's Rebuke (xln) 71
Roil Cartographer
Landfall — Whenever a land you control enters, you get
(an energy counter).
, Pay six
: Draw three cards.
Creature - Merfolk Rogue
Roil Cartographer (mh3) 67
Rootwater Matriarch
: Gain control of target creature for as long as that creature is enchanted.
Creature - Merfolk
Rootwater Matriarch (tmp) 83
Sage of Fables
Each other Wizard creature you control enters with an additional +1/+1 counter on it.
, Remove a +1/+1 counter from a creature you control: Draw a card.
Creature - Wizard Merfolk
Sage of Fables (lcc) 169
Sahagin
Whenever you cast a noncreature spell, if at least four mana was spent to cast it, put a +1/+1 counter on this creature and it can't be blocked this turn.
Creature - Warrior Merfolk
Sahagin (fin) 71
Scourge of Fleets
When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.
Creature - Kraken
Scourge of Fleets (jou) 51
Scroll Thief
Whenever this creature deals combat damage to a player, draw a card.
Creature - Merfolk Rogue
Scroll Thief (m13) 66
Seahunter
,
: Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.
Creature - Human Mercenary
Seahunter (plst) NEM-41
Seasinger
When you control no Islands, sacrifice this creature.
You may choose not to untap this creature during your untap step.
: Gain control of target creature whose controller controls an Island for as long as you control this creature and this creature remains tapped.
Creature - Merfolk
Seasinger (fem) 25
Sentinel of the Nameless City
Vigilance
Whenever this creature enters or attacks, create a Map token. (It's an artifact with "
,
, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")
Creature - Warrior Scout Merfolk
Sentinel of the Nameless City (lci) 211
Shadowed Caravel
Whenever a creature you control explores, put a +1/+1 counter on this Vehicle.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
Artifact - Vehicle
Shadowed Caravel (xln) 246
Shapers of Nature
: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from a creature you control: Draw a card.
Creature - Merfolk Shaman
Shapers of Nature (xln) 228
Silkguard
Put a +1/+1 counter on each of up to X target creatures you control.
Auras, Equipment, and modified creatures you control gain hexproof until end of turn. (Equipment, Auras you control, and counters are modifications.)
Instant
Silkguard (soc) 286
Silvergill Mentor
As an additional cost to cast this spell, behold a Merfolk or pay
. (To behold a Merfolk, choose a Merfolk you control or reveal a Merfolk card from your hand.)
When this creature enters, create a 1/1 white and blue Merfolk creature token.
Creature - Wizard Merfolk
Silvergill Mentor (ecl) 69
Silvergill Peddler
Whenever this creature becomes tapped, draw a card, then discard a card.
Creature - Merfolk Citizen
Silvergill Peddler (ecl) 70
Simic Charm
Choose one —
• Target creature gets +3/+3 until end of turn.
• Permanents you control gain hexproof until end of turn.
• Return target creature to its owner's hand.
Instant
Simic Charm (gtc) 195
Simic Fluxmage
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
,
: Move a +1/+1 counter from this creature onto target creature.
Creature - Wizard Merfolk
Simic Fluxmage (gtc) 49
Sixth Sense
Enchant creature
Enchanted creature has "Whenever this creature deals combat damage to a player, you may draw a card."
Enchantment - Aura
Sixth Sense (akh) 187
Soratami Savant
Flying
, Return a land you control to its owner's hand: Counter target spell unless its controller pays
.
Creature - Wizard Moonfolk
Soratami Savant (chk) 90
Spelunking
When this enchantment enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life.
Lands you control enter untapped.
Enchantment
Spelunking (lci) 213
Stormtide Leviathan
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.
Creature - Leviathan
Stormtide Leviathan (m15) 80
Subterfuge
When this creature enters, target creature gains flying and "Whenever this creature deals combat damage to a player, draw that many cards" until end of turn.
Encore
(
, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
Creature - Elemental Incarnation
Subterfuge (ecc) 6
Super Intelligence
Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player draws a card.
Enchantment - Aura
Super Intelligence (msh) 77
Swift Warden
Flash
When this creature enters, target Merfolk you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Creature - Warrior Merfolk
Swift Warden (rix) 146
Sylvan Library
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.
Enchantment
Sylvan Library (cc1) 5
Tatyova, Benthic Druid
Landfall — Whenever a land you control enters, you gain 1 life and draw a card.
Legendary Creature - Druid Merfolk
Tatyova, Benthic Druid (lcc) 290
Tazeem Roilmage
Kicker
(You may pay an additional
as you cast this spell.)
When this creature enters, if it was kicked, return target instant or sorcery card from your graveyard to your hand.
Creature - Wizard Merfolk
Tazeem Roilmage (znr) 84
Teferi's Veil
Whenever a creature you control attacks, it phases out at end of combat. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)
Enchantment
Teferi's Veil (plst) WTH-53
Tempest Caller
When this creature enters, tap all creatures target opponent controls.
Creature - Wizard Merfolk
Tempest Caller (xln) 86
Tidal Courier
When this creature enters, reveal the top four cards of your library. Put all Merfolk cards revealed this way into your hand and the rest on the bottom of your library in any order.
: This creature gains flying until end of turn.
Creature - Merfolk
Tidal Courier (apc) 31
Tidebinder Mage
When this creature enters, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control this creature.
Creature - Wizard Merfolk
Tidebinder Mage (m14) 73
Triton Shorestalker
This creature can't be blocked.
Creature - Merfolk Rogue
Triton Shorestalker (jou) 56
True-Name Nemesis
As this creature enters, choose a player.
This creature has protection from the chosen player.
Creature - Merfolk Rogue
True-Name Nemesis (c13) 63
Umara Entangler
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Creature - Merfolk Rogue Ally
Umara Entangler (ogw) 65
Vodalian Arcanist
: Add
. Spend this mana only to cast an instant or sorcery spell.
Creature - Wizard Merfolk
Vodalian Arcanist (m21) 83
Vodalian Knights
First strike
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
: This creature gains flying until end of turn.
Creature - Knight Merfolk
Vodalian Knights (fem) 29
Vodalian Merchant
When this creature enters, draw a card, then discard a card.
Creature - Merfolk
Vodalian Merchant (inv) 85
Voidslime
Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)
Instant
Voidslime (dis) 137
Waterbender Ascension
Whenever a creature you control deals combat damage to a player, put a quest counter on this enchantment. Then if it has four or more quest counters on it, draw a card.
Waterbend
: Target creature can't be blocked this turn. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for
.)
Enchantment
Waterbender Ascension (tla) 79
Waterspout Weavers
Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, each creature you control gains flying until end of turn.
Creature - Wizard Merfolk
Waterspout Weavers (mor) 56
Whirlpool Rider
When this creature enters, shuffle the cards from your hand into your library, then draw that many cards.
Creature - Merfolk
Whirlpool Rider (apc) 35
Wildgrowth Walker
Whenever a creature you control explores, put a +1/+1 counter on this creature and you gain 3 life.
Creature - Elemental
Wildgrowth Walker (xln) 216

Sideboard

(CTRL to add secondary)

Maybeboard

Qty: 6 Price: $157.44
Burgeoning
Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.
Enchantment
Burgeoning (cn2) 178
Coat of Arms
Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
Artifact
Coat of Arms (lcc) 108
Gifts Ungiven
Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.
Instant
Gifts Ungiven (2x2) 51
Harbinger of the Seas
Nonbasic lands are Islands.
Creature - Wizard Merfolk
Harbinger of the Seas (mh3) 451
Natural Order
As an additional cost to cast this spell, sacrifice a green creature.
Search your library for a green creature card, put it onto the battlefield, then shuffle.
Sorcery
Natural Order (ema) 177
Worldly Tutor
Search your library for a creature card, reveal it, then shuffle and put the card on top.
Instant
Worldly Tutor (dmr) 185

Maybeboard

(CTRL to add secondary)

Tokens & Extras

Qty: 5 Price: $2.03
City's Blessing
Card
City's Blessing (tlcc) 17
Frog Lizard
Creature Token - Lizard Frog
Frog Lizard (tlcc) 13
Map
,
, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)
Artifact Token - Map
Map (tlci) 17
Merfolk
Creature Token - Merfolk
Merfolk (tlcc) 3
Merfolk
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Creature Token - Merfolk
Merfolk (tlci) 5

Tokens & Extras

(CTRL to add secondary)

Deck Info

Deck stats

0 pips - 0 cards
2 mana - 2 cards
70 pips - 54 cards
25 mana - 25 cards
0 pips - 0 cards
2 mana - 2 cards
0 pips - 0 cards
2 mana - 2 cards
23 pips - 21 cards
15 mana - 15 cards
0 pips - 0 cards
4 mana - 4 cards
Card NameQtyOdds
Click charts to focus on cards
Deck extras (0)
AutoNew CategoryMaybeboardSideboardPinned Cards