You may choose not to untap this creature during your untap step. As this creature enters, an opponent chooses a creature type. {T}: Gain control of target creature that isn't of the chosen type for as long as this creature remains tapped.

Create X tokens that are copies of target creature you control, except they have "When this token enters, it fights up to one target creature you don't control."

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 this creature is turned face up, put four +1/+1 counters on it.

This creature 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 this card is suspended, remove a time counter from it.

Landfall — Whenever a land you control enters, 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.)

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.)

Return up to two target creatures to their owners' hands. Draw two cards, then discard a card.

Enchant creature Enchanted creature gets -13/-0.

This spell can't be countered. At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil. Sacrifice another Serpent: Choose one — • Tap target permanent. Its activated abilities can't be activated this turn. • Koma gains indestructible until end of turn.

When Llawan enters, return all blue creatures your opponents control to their owners' hands. Your opponents can't cast blue creature spells.

When this creature enters, it connives. When it connives this way, return up to one target nonland permanent to its owner's hand. (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.)

Whenever this creature 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.)

When this creature enters, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Threshold — This creature can't be blocked as long as there are seven or more cards in your graveyard.

Flying {2}{U}, Sacrifice a land: Draw a card.

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.

Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

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.

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

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.

{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

{T}: Add {U}. This land deals 1 damage to you. Threshold — {U}, {T}, Sacrifice this land: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

As you create your deck, circle two of the colors below. Cryptic Spires enters tapped. {T}: Add one mana of either of the circled colors.

When this land enters, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

({T}: Add {U}.)

This land enters tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice this land: Create a token that's a copy of target creature you control, except it enters with an additional +1/+1 counter on it. Activate only as a sorcery.

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

This land enters tapped. {T}: Add {G} or {U}. {2}{G}{U}: This land becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

This land enters tapped. {T}: Add {G} or {U}. {3}{G}{U}: Until end of turn, this land becomes a 5/5 green and blue Plant creature with trample. It's still a land. Whenever this land attacks, up to one other target creature has base power and toughness 3/3 until end of turn.

{T}: Add {U}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{U}.

This land enters tapped. Indestructible {T}: Add {G} or {U}.

+1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls. −1: Draw a card. You may play an additional land this turn. −5: You get an emblem with "At the beginning of your end step, create a 9/9 blue Kraken creature token."

This spell can't be countered. Trample, ward {4} Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.

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.

Prevent all combat damage that would be dealt this turn.

If you would scry a number of cards, scry that many cards plus one instead. {3}{G/U}: Look at the top card of your library. If it's a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don't put the card onto the battlefield, you may put it on the bottom of your library.

Arixmethes enters 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}.

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

Green spells you cast cost {1} less to cast.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

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

Indestructible Equipped creature gets +3/+3 and has vigilance and "{T}, Sacrifice this creature: Add three mana of any one color." Equip {3}

{T}: Add {C}{U}. Spend this mana only to activate abilities.

Blue spells you cast cost {1} less to cast.

Whenever this creature deals combat damage to a player, return up to that many target permanents that player controls to their owner's hand.

Return target creature to its owner's hand. Draw a card.

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.

Tap an untapped Octopus you control: Tap target permanent. {U}{U}{U}: Tap all creatures without flying.

{U}{U}: Tap target creature without flying.

When this creature enters, create two 1/1 blue Merfolk Wizard creature tokens. Tap two untapped Merfolk you control: Untap this creature. It gains shroud until end of turn. (It can't be the target of spells or abilities.)

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.

Enchant creature Enchanted creature has flying. Threshold — Enchanted creature has shroud as long as seven or more cards are in your graveyard. (It can't be the target of spells or abilities.)

Whenever a player casts a spell, counter that spell unless that player pays {X}, where X is the number of cards in all graveyards with the same name as the spell.

You may sacrifice a nontoken blue creature rather than pay this spell's mana cost. Counter target spell.

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

Counter target blue spell.

{U}, Sacrifice this creature: Counter target spell that targets a creature you control.

When this creature enters, create a 1/1 blue Merfolk creature token with hexproof. (It can't be the target of spells or abilities your opponents control.)

Counter target spell cast from a graveyard. Draw a card.

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

This spell costs {2} less to cast if it targets a blue spell. Counter target spell unless its controller pays {3}.

Surge {U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) This spell can't be countered. Counter target spell.

Landfall — Whenever a land you control enters, choose one — • You may tap or untap target creature. • Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

(This token can be used to represent a token that's a copy of a permanent.)

This creature can't be blocked.

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

Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step.