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Sea Serpent
Oracle Text
This creature can't attack unless defending player controls an Island.
When you control no Islands, sacrifice this creature.
Card Details
Mana CostCharacter Background
Sea Serpent is a classic blue beater that asks for a very specific battlefield before it can even start working, which makes it best suited to slower control shells or old-school island-heavy tempo decks rather than aggressive strategies. At five mana for a 5/5, the body is respectable for the era, but the drawback is real: it can only attack if the defending player controls an Island, and if you lose access to Islands entirely, it is sacrificed. That means the card rewards mirror-match pressure, land conversion tricks, or any plan that keeps the board saturated with basic Islands. In deckbuilding, pair it with effects that turn lands into Islands, such as Spreading Seas-style enchantments, or simply commit to an all-Island mana base with enough defensive tools to survive until this can connect. The card’s flavor fits the old Magic image of deep, predatory ocean monsters: powerful, territorial, and dangerous only when blue mana and blue terrain dominate the game.
Generated using gpt-5.4-mini
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Character Background
Sea Serpent is a classic blue beater that asks for a very specific battlefield before it can even start working, which makes it best suited to slower control shells or old-school island-heavy tempo decks rather than aggressive strategies. At five mana for a 5/5, the body is respectable for the era, but the drawback is real: it can only attack if the defending player controls an Island, and if you lose access to Islands entirely, it is sacrificed. That means the card rewards mirror-match pressure, land conversion tricks, or any plan that keeps the board saturated with basic Islands. In deckbuilding, pair it with effects that turn lands into Islands, such as Spreading Seas-style enchantments, or simply commit to an all-Island mana base with enough defensive tools to survive until this can connect. The card’s flavor fits the old Magic image of deep, predatory ocean monsters: powerful, territorial, and dangerous only when blue mana and blue terrain dominate the game.
Generated using gpt-5.4-mini · Updated at 2026-08-21 20:10:45 UTC