![Sealock Monster [Mystery Booster]](https://cdn.shopify.com/s/files/1/0451/3388/9694/files/e74e1d87-a43e-5f03-8bd3-6696fc84e53b.jpg?v=1768426861)
Sealock Monster [Mystery Booster]
| Set: | Mystery Booster |
| Type: | Creature — Octopus |
| Rarity: | Uncommon |
| Cost: | 3UU |
| Colors: | U |
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.
{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.