Sealock Monster
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.
Creature — Octopus
standard:
not legal
future:
not legal
historic:
not legal
gladiator:
not legal
pioneer:
legal
explorer:
not legal
modern:
legal
legacy:
legal
pauper:
not legal
vintage:
legal
penny:
legal
commander:
legal
oathbreaker:
legal
brawl:
not legal
historicbrawl:
not legal
alchemy:
not legal
paupercommander:
restricted
duel:
legal
oldschool:
not legal
premodern:
not legal
predh:
not legal
High - Low