Sealock Monster Tweet Moderately Played, limit 6 $0.01 / $0.01 credit Buy This Product Details Card Number: 042/067 Card Type: Creature - Octopus Rarity: U Card Text: Sealock Monster can't attack unless defending player controls an Island.5UU: 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. Color: Blue Finish: Regular Name: Sealock Monster Set Name: Mystery Booster - Duel Decks: Elspeth vs. Kiora Artist: Adam Paquette Cost: 3UU Pow/Tgh: 5/5