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

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

{4}, {T}: Put a charge counter on Magistrate's Scepter. {T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

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

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Instant and sorcery spells you cast cost {1} less to cast. Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

At the beginning of each player's upkeep, that player may put an artifact, creature, or land card from their hand onto the battlefield.

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

When Gadwick, the Wizened enters the battlefield, draw X cards. Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

Spells can't be countered. Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Play with the top card of your library revealed. You may play lands and cast spells from the top of your library.

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

{T}: Prodigal Sorcerer deals 1 damage to any target.

When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

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.

You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Enchant creature with mana value 2 or less You control enchanted creature.

Return all attacking creatures to their owner's hand.

Choose one — • Counter target spell. • Target player draws two cards. • Gain control of target nonland permanent with mana value 1 or less.

Scry 2, then draw two cards. Foretell {1}{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.)

Choose one — • Counter target red spell. • Destroy target red permanent.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Draw three cards, then put two cards from your hand on top of your library in any order.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Counter target spell.

Choose two — • Counter target spell. • Return target permanent to its owner's hand. • Tap all creatures your opponents control. • Draw a card.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Untap all nonland permanents you control.

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

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

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Counter target noncreature spell.

Scry 1. Draw a card.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Draw X cards, then discard a card.

Counter target spell. Untap up to four lands.

Counter target spell. Foretell {1}{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.)

Counter target noncreature spell unless its controller pays {2}.

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

Counter target noncreature spell. Untap up to three lands.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

({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}.

Create two 1/1 blue Bird creature tokens with flying. Take an extra turn after this one. Exile Alrund's Epiphany. Foretell {4}{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.)

Target player takes an extra turn after this one. Shuffle Beacon of Tomorrows into its owner's library.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Draw X cards.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {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.)

Draw a card. Scry 2.

For each attacking creature, its owner puts it on the top or bottom of their library.

Flying At the beginning of your upkeep, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}{E}{E}{E}{E}{E}: Return all other creatures to their owners' hands. Activate only as a sorcery.

Whenever you draw your second card each turn, create a 2/2 blue Drake creature token with flying. Whenever you draw your fifth card each turn, Alandra, Sky Dreamer and Drakes you control each get +X/+X until end of turn, where X is the number of cards in your hand.

Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

When Archaeomender enters the battlefield, return target artifact card from your graveyard to your hand.

Creatures you control have flying. Creatures your opponents control lose flying and can't have or gain flying.

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.

When Augur of Bolas enters the battlefield, 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.

Tap an untapped Wizard you control: Draw a card.

When Barrin, Tolarian Archmage enters the battlefield, return up to one other target creature or planeswalker to its owner's hand. At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.

Basalt Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap Basalt Monolith.

{1}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on Benthic Biomancer, draw a card, then discard a card.

When Brinelin, the Moon Kraken enters the battlefield or whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand. Partner (You can have two commanders if both have partner.)

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand. {T}: Add one mana of any of the exiled card's colors.

Flying You have no maximum hand size. Whenever a creature token you control deals combat damage to a player, draw a card.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

You have no maximum hand size. {T}: Add one mana of any color.

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.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Defender, flying Prevent all combat damage that would be dealt to and dealt by Fog Bank.

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.

Guile can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.

Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

This spell costs {1} less to cast for each snow land you control. When Icebreaker Kraken enters the battlefield, artifacts and creatures target opponent controls don't untap during that player's next untap step. Return three snow lands you control to their owner's hand: Return Icebreaker Kraken to its owner's hand.

When Inga Rune-Eyes enters the battlefield, scry 3. When Inga Rune-Eyes dies, draw three cards if three or more creatures died this turn.

{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.

Spells your opponents cast that target a Merfolk you control cost {2} more to cast. Abilities your opponents activate that target a Merfolk you control cost {2} more to activate.

If you would draw a card while your library has no cards in it, you win the game instead.

Whenever Library Larcenist attacks, draw a card.

When Mana Geode enters the battlefield, scry 1. {T}: Add one mana of any color.

{T}: Add one mana of any color.

Other Merfolk creatures you control get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Flying Whenever Merfolk Windrobber deals combat damage to a player, that player mills a card. (They put the top card of their library into their graveyard.) Sacrifice Merfolk Windrobber: Draw a card. Activate only if an opponent has eight or more cards in their graveyard.

Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

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.

As long as it's not your turn, spells you cast cost {1} less to cast.

Whenever you draw a card, put a foreshadow counter on Ominous Seas. Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token. Cycling {2} ({2}, Discard this card: Draw a card.)

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

As Reflections of Littjara enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

When Scourge of Fleets enters the battlefield, 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.

Krakens, Leviathans, Octopuses, and Serpents you control can't be blocked except by Krakens, Leviathans, Octopuses, and Serpents.

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ({X}{1}{U}, Discard this card: Draw a card.) When you cycle Shark Typhoon, create an X/X blue Shark creature token with flying.

{6}{U}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Shipwreck Dowser enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

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.)

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.

Svyelun of Sea and Sky has indestructible as long as you control at least two other Merfolk. Whenever Svyelun attacks, draw a card. Other Merfolk you control have ward {1}. (Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

Whenever you cast an instant or sorcery spell, you may copy that spell. You may choose new targets for the copy.

{1}{U}, {T}: Draw a card, then discard a card.

Flash Creature cards you own that aren't on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) At the beginning of your upkeep, scry 1. {1}{U}: Target creature you control can't be blocked this turn.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard. You have no maximum hand size. At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.

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.

{T}: Target land becomes an Island until end of turn.

Kicker {1} (You may pay an additional {1} as you cast this spell.) When Tide Shaper enters the battlefield, if it was kicked, target land becomes an Island for as long as Tide Shaper remains on the battlefield. Tide Shaper gets +1/+1 as long as an opponent controls an Island.

Whenever you draw a card, you may pay {1}. When you do, you may tap or untap target creature.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

Buyback—Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Target player takes an extra turn after this one.

This spell costs {1} less to cast if you control a creature with flying. Draw two cards.