{T}: Add one mana of any color in your commander's color identity.

Charcoal Diamond enters the battlefield tapped. {T}: Add {B}.

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

{1}, {T}: Add {U}{B}.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Equipped creature gets +1/+0. Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

{T}: Add {C}{C}.

Equipped creature gets +X/+X, where X is the number of Forests you control. Whenever equipped creature attacks, create a 1/1 green Forest Dryad land creature token. (It's affected by summoning sickness.) Equip {3}

Star Compass enters the battlefield tapped. {T}: Add one mana of any color that a basic land you control could produce.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Equipped creature gets +2/+2 and has protection from green and from white. Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle. Equip {2}

Whenever equipped creature attacks, put a +1/+1 counter on it. Whenever equipped creature deals combat damage, roll a d12. If the result is greater than the damage dealt or the result is 12, double the number of +1/+1 counters on that creature. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}

{T}: Add {C}. {T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{2}{U}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. Ultimate Sacrifice — {1}{U}, Sacrifice Adric: Counter target activated or triggered ability. Doctor's companion (You can have two commanders if the other is the Doctor.)

Changeling (This card is every creature type.) Changeling Outcast can't block and can't be blocked.

Flying Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Flying When Faerie Seer enters the battlefield, scry 2.

Gray Harbor Merfolk can't be blocked. Gray Harbor Merfolk gets +2/+0 as long as you control a commander that's a creature or planeswalker.

Gudul Lurker can't be blocked. Megamorph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Bestow {5}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Flying You control enchanted creature. Enchanted creature gets +1/+1 and has flying.

Inkfathom Infiltrator can't block and can't be blocked.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Invisible Stalker can't be blocked.

Flying Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Flying, ward {1} When Kitesail Larcenist enters the battlefield, for each player, choose up to one other target artifact or creature that player controls. For as long as Kitesail Larcenist remains on the battlefield, the chosen permanents become Treasure artifacts with "{T}, Sacrifice this artifact: Add one mana of any color" and lose all other abilities.

{T}: Add {B}.

Flying Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn. Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays {X}, where X is Mausoleum Wanderer's power.

Mist-Cloaked Herald can't be blocked.

Flying When Network Disruptor enters the battlefield, tap target permanent.

Flying {T}: Add one mana of any color.

Flying {7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

River Sneak can't be blocked. Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.

{T}: Add {U}.

Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Slither Blade can't be blocked.

Flying When Snaremaster Sprite enters the battlefield, you may pay {2}. When you do, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

Ninjutsu {2}{U}{U} ({2}{U}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Flying When Thousand-Faced Shadow enters the battlefield from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters the battlefield tapped and attacking.

Tormented Soul can't block and can't be blocked.

Triton Shorestalker can't be blocked.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Counter target spell.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Counter target instant spell.

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}. Counter target spell.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

You may discard an Island card and another card rather than pay this spell's mana cost. Counter target spell.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

Counter target noncreature spell.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped. {T}: Add {U} or {B}.

{T}: Add one mana of any color in your commander's color identity.

{1}, {T}: Add {U}{B}.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

({T}: Add {U}.)

({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {T}: Add {U} or {B}. Rootwater Depths doesn't untap during your next untap step.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands. {T}: Add {U} or {B}.

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

You may cast Asinine Antics as though it had flash if you pay {2} more to cast it. For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Return all creatures to their owners' hands. For each opponent who controlled a creature returned this way, you create two 1/1 blue Faerie creature tokens with flying and "This creature can block only creatures with flying."

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {3}

For each creature target player controls, create a token that's a copy of that creature.

Flying When Cloud of Faeries enters the battlefield, untap up to two lands. Cycling {2} ({2}, Discard this card: Draw a card.)

Flying Whenever Coveted Falcon attacks, gain control of target permanent you own but don't control. Disguise {1}{U} When Coveted Falcon is turned face up, target opponent gains control of any number of target permanents you control. Draw a card for each one they gained control of this way.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) {U}, {T}: Gain control of target creature with a +1/+1 counter on it for as long as Cytoplast Manipulator remains on the battlefield.

Darkslick Shores enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {U} or {B}.

Deep-Sea Kraken can't be blocked. Suspend 9—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) Whenever an opponent casts a spell, if Deep-Sea Kraken is suspended, remove a time counter from it.

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

For each creature, its controller sacrifices a permanent unless they pay {1}.

When Fourth Bridge Prowler enters the battlefield, you may have target creature get -1/-1 until end of turn.

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Return target nonland permanent to its owner's hand. If you controlled that permanent, draw a card.

{T}: Add {C}. {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast legendary spells.

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} 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.)

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, 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.)

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

Create a token that's a copy of target creature you control, except it isn't legendary. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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.)

{T}: Add {U}. If you played a land this turn, add {B} instead.

You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step."

Saprazzan Cove enters the battlefield tapped. {T}: Put a storage counter on Saprazzan Cove. {T}, Remove any number of storage counters from Saprazzan Cove: Add {U} for each storage counter removed this way.

If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost. Flying

Saprazzan Skerry enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Saprazzan Skerry: Add {U}{U}. If there are no depletion counters on Saprazzan Skerry, sacrifice it.

Flash Flying When Spectral Adversary enters the battlefield, you may pay {1}{U} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Spectral Adversary, then up to that many other target artifacts, creatures, and/or enchantments phase out.

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. Foretell {1}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

Equipped creature gets +2/+2 and has protection from red and from green. Whenever equipped creature deals combat damage to a player, exile the top two cards of your library. You may play those cards this turn. You may play an additional land this turn. Equip {2}

For each opponent, gain control of up to one target creature or planeswalker that player controls with mana value 3 or less.

Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.) Flying When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Enchant creature {U}{U}: Enchanted 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.)

As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.

Flying, deathtouch When Baleful Strix enters the battlefield, draw a card.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw two cards, then discard two cards. Untap up to three lands.

Equipped creature gets +1/+1. Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Counter target spell that targets a creature.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Each player sacrifices six creatures. You create six tapped 2/2 black Zombie creature tokens.

You have no maximum hand size.

Flying Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Tribute Mage enters the battlefield, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.