Whenever a creature you control deals combat damage to a player, you may draw a card. {1}{U}, {T}: Creatures your opponents control attack this turn if able.

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, reveal that card, put it into your hand, then shuffle.

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

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

This land enters tapped. When this land enters, sacrifice it unless you return an untapped Island you control to its owner's hand. {T}: Add {C}{U}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

When this creature enters, if you cast it from your hand, tap all nonblue creatures. Those creatures don't untap during their controllers' next untap steps.

When Brinelin enters and 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.)

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

Defender 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.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever this creature attacks, you may exile target creature defending player controls until this creature leaves the battlefield. (That creature returns under its owner's control.)

Defender (This creature can't attack.) When this creature enters, create a 1/1 blue Squid creature token with islandwalk. (It can't be blocked as long as defending player controls an Island.)

When this creature enters, return each other creature you control to its owner's hand.

Flash Drag Below — When this creature enters, tap it and up to one target creature an opponent controls. They don't untap during their controllers' next untap steps.

This creature can't attack unless defending player controls an Island. Whenever this creature blocks or becomes blocked by a creature that has been dealt damage this turn, this creature gets +2/+0 and gains trample until end of turn. When you control no Islands, sacrifice this creature.

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.

When this creature enters, return all other nonland permanents to their owners' hands. Unearth {6}{U} ({6}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever Lorthos attacks, you may pay {8}. If you do, tap up to eight target permanents. Those permanents don't untap during their controllers' next untap steps.

When this creature enters, return target creature to its owner's hand.

When this creature enters, create two 0/2 blue Illusion creature tokens with "Whenever this token blocks a creature, that creature doesn't untap during its controller's next untap step." This creature has hexproof as long as you control an Illusion.

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

This spell costs {8} less to cast if you have eight or more instant and/or sorcery cards in your graveyard. Ward {8} Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature has base power and toughness 8/8 until end of turn.

When this creature enters, 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.)

Whenever this creature attacks, another target attacking creature can't be blocked this turn.

When this creature enters, each opponent creates a 1/1 red Pirate creature token with "This token can't block" and "Creatures you control attack each combat if able." Spells your opponents cast that target this creature cost {3} more to cast.

When this creature dies, create a 3/3 blue Fish creature token with "When this token dies, create a 6/6 blue Whale creature token with 'When this token dies, create a 9/9 blue Kraken creature token.'"

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.

Mutate {1}{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.) Flash Whenever this creature deals combat damage to a player, draw a card.

This creature can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, target land becomes an Island in addition to its other types.

Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control. This creature can't attack unless defending player controls an Island.

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

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

{T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Defender Landfall — Whenever a land you control enters, this creature can attack this turn as though it didn't have defender.

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

Whenever a Kraken, Leviathan, Octopus, or Serpent you control deals combat damage to a player, create a 9/9 blue Kraken creature token.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) Whenever this creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{U}: Regenerate this creature. At the beginning of each end step, if this creature regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Whenever you cast your first spell during each opponent's turn, you may tap or untap target nonland permanent.

Hexproof Lieutenant — As long as you control your commander, this creature gets +2/+2 and has "Whenever this creature becomes blocked, you may draw two cards."

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.

Flash Flying When this creature enters, choose up to one target creature spell or planeswalker spell. Its owner puts it on their choice of the top or bottom of their library. Evoke—Exile a blue card from your hand.

Bestow {5}{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.) Whenever this creature or enchanted creature deals combat damage to a player, draw a card. Enchanted creature gets +3/+3.

Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn.

At the beginning of each upkeep, you may tap or untap target permanent.

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

Return a land you control to its owner's hand: Untap this creature. It gains hexproof until end of turn. Landfall — Whenever a land you control enters, target creature an opponent controls attacks during its controller's next combat phase if able.

Tromokratis has hexproof unless it's attacking or blocking. Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, counter target artifact or creature spell.

{U}: Put this creature and each creature blocking or blocked by it on top of their owners' libraries, then those players shuffle. {3}{U}{U}: Target creature blocks this creature this turn if able.

Return target instant or sorcery card from your graveyard to your hand.

Draw two cards. Then discard a card unless you attacked this turn.

Undaunted (This spell costs {1} less to cast for each opponent.) Return all nonland permanents to their owners' hands.

Each player chooses a nonland permanent they control. Return all nonland permanents not chosen this way to their owners' hands. Then you draw a card for each opponent who has more cards in their hand than you.

Surge {3}{U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Return all nonland permanents to their owners' hands. If this spell's surge cost was paid, create an 8/8 blue Octopus creature token.

Return all nonland permanents to their owners' hands. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Return all nonland permanents with mana value X or less to their owners' hands.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Return target permanent to its owner's hand.

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

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

Return up to one target instant card and up to one target sorcery card from your graveyard to your hand. Exile Pull from the Deep.

Draw a card. Clash with an opponent. If you win, return Research the Deep to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Return up to three target creatures your opponents control to their owners' hands. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Return up to three target creatures and/or enchantments to their owners' hands.

Tap up to three target creatures without flying.

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

{U}{U}, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.

Enchant land Enchanted land is an Island. Cycling {2} ({2}, Discard this card: Draw a card.)

Flash (You may cast this spell any time you could cast an instant.) When this enchantment enters, scry 2, then draw a card. {2}{U}, Sacrifice this enchantment: 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.)

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

Enchant creature Enchanted creature has "{T}: Scry 1, then draw a card." (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

At the beginning of your upkeep, you may look at the top card of your library. If it's a creature card, you may reveal it and put a quest counter on this enchantment. At the beginning of each end step, if there are three or more quest counters on this enchantment, you may put a Kraken, Leviathan, Octopus, or Serpent creature card from your hand onto the battlefield.

Enchant land (Target a land as you cast this. This card enters attached to that land.) Enchanted land is an Island.

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 this card, create an X/X blue Shark creature token with flying.

Enchant land When this Aura enters, draw a card. Enchanted land is an Island.

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

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Return target permanent to its owner's hand.

Counter target spell with mana value 4 or greater.

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Tap up to three target creatures.

Return target creature to its owner's hand.

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Put target creature on top of its owner's library.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Counter target creature or Aura spell.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Choose one or both — • The owner of target nonland permanent puts it on their choice of the top or bottom of their library. • Return target nonland permanent to its owner's hand.

Tap up to two target creatures. Those creatures don't untap during their controllers' next untap steps. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order. • Counter target spell unless its controller pays twice {X}.

Create a 5/5 blue Wall creature token with defender. Sacrifice it at the beginning of the next end step.

Return target creature to its owner's hand. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)