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.)

Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

Whenever a player casts their second spell each turn, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Great Whale enters, untap up to seven lands.

: Killer Whale gains flying until end of turn.

Flying

Long-Finned Skywhale can block only creatures with flying.

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

Flying, vigilance

Other creatures you control have ward .

Suspend 6— (Rather than cast this card from your hand, you may pay and exile it with six 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.)

Partner with Cazur, Ruthless Stalker (When this creature enters, target player may put Cazur into their hand from their library, then shuffle.)

Ukkima, Stalking Shadow can't be blocked.

When Ukkima leaves the battlefield, it deals X damage to target player and you gain X life, where X is its power.