Tome Entry
Sealock Monster
Creature — OctopusDuel Decks: Elspeth vs. Kiora · uncommon
5 / 5
This creature can't attack unless defending player controls an Island.
: 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.

Legality
StandardFutureHistoricTimelessGladiatorPioneerModernLegacyPauperVintagePennyCommanderOathbreakerStandardbrawlBrawlAlchemyPaupercommanderDuelOldschoolPremodernPredhTlr
Market Prices
USD $0.11EUR €0.05