Sea Serpent Tweet Light Play, English, 13 In stock $0.29 Moderate Play, English, 2 In stock $0.26 Heavy Play, English, 2 In stock $0.23 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