Sealock Monster [Duel Decks: Elspeth vs. Kiora]

Set: Duel Decks: Elspeth vs. Kiora Type: Creature — Octopus Rarity: Uncommon Cost: {3}{U}{U} Sealock Monster can't attack unless defending player controls an Island.{5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types.