Equipped creature gets +1/+2. Whenever you draw your second card each turn, attach Mantle of Tides to target creature you control. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{2}, {T}: Add one mana of any color. Put a brick counter on Pyramid of the Pantheon. {T}: Add three mana of any one color. Activate only if there are three or more brick counters on Pyramid of the Pantheon.

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

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

Whenever you cast a blue spell or an Island enters the battlefield under your control, you gain 1 life.

Hexproof Creatures your opponents control attack each combat if able.

When Bronze Walrus 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.) {T}: Add one mana of any color.

Morph {4}{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.) When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.

Defender 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.)

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

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

Flash

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

Whenever Fleet Swallower attacks, target player mills half their library, rounded up.

{U}: Giant Crab gains shroud until end of turn. (It can't be the target of spells or abilities.)

When Gulf Squid enters the battlefield, tap all lands target player controls.

Flying Whenever Kapsho Kitefins or another creature enters the battlefield under your control, tap target creature an opponent controls.

{U}: Killer Whale gains flying until end of turn.

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 Man-o'-War enters the battlefield, return target creature to its owner's hand.

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}.

Whenever Mistford River Turtle attacks, another target attacking non-Human creature can't be blocked this turn.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Mutate {3}{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 mutates, you may return target creature an opponent controls to its owner's hand.

Flash Defender

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

{6}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) As long as Skittering Crustacean is monstrous, it has hexproof. (It can't be the target of spells or abilities your opponents control.)

Flying When Sky-Eel School enters the battlefield, draw a card, then discard a card.

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

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 Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card. Enchanted creature gets +3/+3.

Flash Thought Sponge enters the battlefield with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn. When Thought Sponge dies, draw cards equal to its power.

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

Flash When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

Creatures your opponents control get -1/-0. {1}{U}, Discard Waker of Waves: Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Whenever you cast a blue spell, target player mills two cards.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets +1/+1. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Enchant creature Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

Enchant creature Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Landfall — Whenever a land enters the battlefield under your control, 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 of your library.)

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.

Enchant creature Enchanted creature doesn't untap during its controller's untap step. Enchanted creature has "{1}, Put a -1/-1 counter on this creature: Untap this creature."

Enchant land When Spreading Seas enters the battlefield, draw a card. Enchanted land is an Island.

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}.

Coral Atoll enters the battlefield tapped. When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand. {T}: Add {C}{U}.

({T}: Add {U}.)

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

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

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

Return target creature to its owner's hand. Awaken 3—{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

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

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 with mana value X or less to their owners' hands.

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

Target player mills X cards, where X is the number of lands you control.

Return up to two target creatures to their owners' hands. Cycling {2} ({2}, Discard this card: Draw a card.)

Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards.

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 of your library.)

{1}{U}: Canyon Crab gets +2/-2 until end of turn. At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card, then discard a card.

Flash Enchant creature Enchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1. (It loses all other card types and creature types.)