Whenever Acquisition Octopus or equipped creature deals combat damage to a player, draw a card.

Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

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.

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.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

{T}: Add {G}{U}.

When Biblioplex Kraken enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Whenever Biblioplex Kraken attacks, you may return another creature you control to its owner's hand. If you do, Biblioplex Kraken can't be blocked this turn.

Defender

When Biolume Egg enters the battlefield, scry 2.

When you sacrifice Biolume Egg, return it to the battlefield transformed under its owner's control at the beginning of the next end step.

Sacrifice two Islands: Biolume Serpent can't be blocked this turn.

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

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.)

Disguise {5}{U} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

As Bubble Smuggler is turned face up, put four +1/+1 counters on it.

Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast.

{3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

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, 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.

Deep-Sea Terror can't attack unless there are seven or more cards in your graveyard.

When Denizen of the Deep enters the battlefield, return each other creature you control to its owner's hand.

Defender

Megamorph {6}{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.)

Flash

Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, tap up to four target permanents.

Floodtide Serpent can't attack unless you return an enchantment you control to its owner's hand. (This cost is paid as attackers are declared.)

{5}{U}{U}: Frilled Sea Serpent can't be blocked this turn.

This spell costs {1} less to cast for each artifact you control.

{5}{U}: Gearseeker Serpent can't be blocked this turn.

Godhunter Octopus can't attack unless defending player controls an enchantment or an enchanted permanent.

Defender (This creature can't attack.)

When Grozoth enters the battlefield, you may search your library for any number of cards that have mana value 9, reveal them, put them into your hand, then shuffle.

{4}: Grozoth loses defender until end of turn.

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.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Harbor Serpent can't attack unless there are five or more Islands on the battlefield.

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.

Trample

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Shroud (This creature can't be the target of spells or abilities.)

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Segovia enters the battlefield, create two 1/1 blue Kraken creature tokens with trample.

Noncreature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a noncreature spell pays for {1} or one mana of that creature's color.)

At the beginning of your end step, untap up to four target creatures.

Shroud (This creature can't be the target of spells or abilities.)

Isleback Spawn gets +4/+8 as long as a library has twenty or fewer cards in it.

Trample

Jokulmorder enters the battlefield tapped.

When Jokulmorder enters the battlefield, sacrifice it unless you sacrifice five lands.

Jokulmorder doesn't untap during your untap step.

Whenever you play an Island, you may untap Jokulmorder.

Affinity for tokens (This spell costs {1} less to cast for each token you control.)

Whenever a token enters the battlefield under your control, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

When Kederekt Leviathan enters the battlefield, 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.)

When Kiora's Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Creatures with power less than the number of Islands you control can't block Kraken of the Straits.

Whenever Lorthos, the Tidemaker 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 Mesmerizing Benthid enters the battlefield, create two 0/2 blue Illusion creature tokens with "Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step."

Mesmerizing Benthid has hexproof as long as you control an Illusion.

When Monstrosity of the Lake enters the battlefield, you may pay {5}. If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

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.

Flying

Nimbus Swimmer enters the battlefield with X +1/+1 counters on it.

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 Octoprophet enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flash

This spell can't be countered.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Return three lands you control to their owner's hand: Return Pearl Lake Ancient to its owner's hand.

Trample, ward {2}

At the beginning of each combat, if Reservoir Kraken is untapped, any opponent may tap an untapped creature they control. If they do, tap Reservoir Kraken and create a 1/1 blue Fish creature token with "This creature can't be blocked."

River Serpent can't attack unless there are five or more cards in your graveyard.

Cycling {U} ({U}, Discard this card: Draw a card.)

Ronom Serpent can't attack unless defending player controls a snow land.

When you control no snow lands, sacrifice Ronom Serpent.

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.

Scrapdiver Serpent can't be blocked as long as defending player controls an artifact.

Sea Monster can't attack unless defending player controls an Island.

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.

Sealock Monster 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 Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.

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

Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control.

Serpent of the Endless Sea can't attack unless defending player controls an Island.

{2}{G}{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 Sharktocrab, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

{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.

Constellation -- Whenever an enchantment enters the battlefield under your control, you may draw a card. If you do, discard a card.

Defender

Landfall -- Whenever a land enters the battlefield under your control, Shoal Serpent loses defender until end of turn.

Flying, trample

Shroud (This creature can't be the target of spells or abilities.)

Flying

When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

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.

Slipstream Serpent can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Slipstream Serpent.

Morph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{3}{U}: Return Sliptide Serpent to its owner's hand.

Defender

Metalcraft -- As long as you control three or more artifacts, Spire Serpent gets +2/+2 and can attack as though it didn't have defender.

Steelclad Serpent can't attack unless you control another artifact.

Hexproof

Lieutenant -- As long as you control your commander, Stormsurge Kraken gets +2/+2 and has "Whenever Stormsurge Kraken 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.

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

Cycling {U} ({U}, Discard this card: Draw a card.)

Sword Coast Serpent can't be blocked as long as you've cast a noncreature spell this turn.

---

Return target creature to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

The Watcher in the Water enters the battlefield tapped with nine stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you draw a card during an opponent's turn, create a 1/1 blue Tentacle creature token.

Whenever a Tentacle you control dies, untap up to one target Kraken and put a stun counter on up to one target nonland permanent.

Defender

Thing in the Ice enters the battlefield with four ice counters on it.

Whenever you cast an instant or sorcery spell, remove an ice counter from Thing in the Ice. Then if it has no ice counters on it, transform it.

When this creature transforms into Awoken Horror, return all non-Horror creatures to their owners' hands.

Whenever Tidal Terror attacks, you may tap two other untapped creatures you control. If you do, Tidal Terror can't be blocked this turn.

Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

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

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Return a land you control to its owner's hand: Untap Trench Behemoth. It gains hexproof until end of turn.

Landfall -- Whenever a land enters the battlefield under your control, target creature an opponent controls attacks during its controller's next combat phase if able.

Trample

When Trench Gorger enters the battlefield, you may search your library for any number of land cards, exile them, then shuffle. If you do, Trench Gorger has base power and base toughness each equal to the number of cards exiled this way.

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.)

{3}{U}: Target creature can't be blocked this turn.