Stormtide Leviathan

Cost: 3 Blue 5 Colorless

Type: Creature — Leviathan

P/T: 8/8

Ability: Islandwalk (This creature is unblockable as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying(This creature can't be blocked except by creatures with flying and/or reach.) or islandwalk can't attack.

Magic 2013 (M13)