Name
Sealock Monster
Set Name
Mystery Booster
Set Type
Masters
Mana
Type Line
Creature — Octopus
Rarity
Uncommon
Oracle Text
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.