Sea Serpent Tweet Near Mint, English, 3 In stock $0.34 Lightly Played, English, 2 In stock $0.31 Details Color: Blue Card Text: Sea Serpent can't attack unless defending player controls an Island. When you control no Islands, sacrifice Sea Serpent. Rarity: C Cost: 5U Pow/Tgh: 5/5 Card Type: Creature - Serpent Name: Sea Serpent Finish: Regular Set Name: Revised Edition