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This creature can't attack unless defending player controls an Island. When you control no Islands, sacrifice this creature.
Abilities, attacks, weakness & resistance
Other cards from Collectors' Edition
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Sea Serpent (CED-77) is a Common blue Creature — Serpent from the Collectors' Edition set. It costs {5}{U} to cast and has 5/5; it can only attack if the defending player controls an Island and must be sacrificed if you control no Islands. Its restrictions make it best used in Island-heavy blue decks or as a situational blocker when Islands are present.
Catalog pricing data as of 17 Apr 2026, 10:54
