
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.
Stormtide Leviathan has 5 printings, first in Magic 2011 (2010). EDHREC ranks it #2,931 among Commander cards. It appears most in Kiora, Sovereign of the Deep decks (4,588 on EDHREC). 1 public deck on TCG runs it. It has 4 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.