Name:Harbor Serpent
ManaCost:4 U U
Types:Creature Serpent
PT:5/5
K:Landwalk:Island
S:Mode$ Continuous | Affected$ Card.Self | AddKeyword$ CARDNAME can't attack. | IsPresent$ Island | PresentCompare$ LT5 | Description$ CARDNAME can't attack unless there are five or more Islands on the battlefield.
SVar:BuffedBy:Island
Oracle:Islandwalk (This creature can't be blocked as long as defending player controls an Island.)\nHarbor Serpent can't attack unless there are five or more Islands on the battlefield.
