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Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Water Always Wins — Whenever this creature attacks, put a flood counter on another target creature or land. If it's a creature, it becomes a copy of this creature. If it's a land, it becomes an Island in addition to its other types.
If the target is both a creature and a land as the triggered ability resolves, it will become a copy of The Flood of Mars. Excepting some very unusual cases, that copy won't be a land, so it won't also become an Island.
