Your search for "Harbor Serpent 53" revealed the following:
Harbor Serpent (Foil) (M13) from Magic 2013, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daarken 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...
Harbor Serpent (M13) from Magic 2013, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daarken 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...
Harbor Serpent (Foil) (M12) from Magic 2012, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Daarken 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...
Harbor Serpent (M11) from Magic 2011, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daarken Card Text:Islandwalk (This creature can't be blocked as long as defending player controls an Island.)Harbor Serpent can't attack unless there are five or...
Harbor Serpent (M12) from Magic 2012, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Daarken 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...