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Be prepared to follow
"They're beasts
Set: 30th Anniversary Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn
Set: Modern Horizons 2 Prerelease Promos Type: Creature — Human Wizard Rarity: Rare Cost: {1}{R} Prowess (Whenever you cast a noncreature spell
Sea Serpent [Fourth Edition] Merfolk Rogue Be prepared to followSet: Fourth Edition Type: Creature Serpent Rarity: Common Cost: {5}{U} Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. Legend has it that Serpents used to be bigger, but how could that be?