Sealock Monster

{3}{U}{U}

Creature — Octopus

This creature 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 this creature becomes monstrous, target land becomes an Island in addition to its other types.

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Printings (3)

Set#VariantFinishesMarketStock
The ListDDO-42nonfoil$0.21
Duel Decks: Elspeth vs. Kiora42nonfoil$0.08
Theros62nonfoil, foil$0.05