Harbor Serpent - Foil Tweet NM, English, 5 In stock $0.34 LP, English, 1 In stock $0.31 Sell This Product Details Color: Blue Card Text: Islandwalk (This creature is unblockable as long as defending player controls an Island.)Harbor Serpent can't attack unless there are five or more Islands on the battlefield. Rarity: C Cost: 4UU Pow/Tgh: 5/5 Card Type: Creature - Serpent Artist: Daarken Name: Harbor Serpent Finish: Foil Card Number: 56/249 Set Name: Magic 2012