Harbor Serpent In Stock Buy This Product Light Play, English, 11 in-stock $0.32 1 2 3 4 5 6 7 8 9 10 Extra Info 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: Regular Card Number: 56/249 Set Name: Magic 2011 ×