Harbor Serpent Tweet NM-Mint, English, limit 25 $0.08 / $0.10 credit Light Play, English, limit 25 $0.06 / $0.07 credit Moderate Play, English, limit 25 $0.06 / $0.07 credit Heavy Play, English, limit 25 $0.05 / $0.06 credit Buy 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: Regular Card Number: 53/249 Set Name: Magic 2013