wotc
The effect making the land an Island doesn't have a duration and will last indefinitely. The land retains any land types and abilities it already had. An Island has the ability “{T}: Add {U}.”
MTG · Card
◇ Catalog #42
Sealock Monster
ddo·#42·uncommon·nonfoil
Illus. Adam Paquette
—
in vault
—
for trade
—
wishlisted
Feb '15
11 yr ago
Value
$0.10$0 (-9.1%)
30 days high $0.11 · low $0.10
Volatility · moderate
USD$0.10EUR€0.05
NM$0.10
Where to buy / sell
Search links · prices vary by venue
Buy this card
Played in EDH
EDHrec rank #21,982 · Fringe play
Variants
Gameplay
Creature — Octopus
This creature 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 this creature becomes monstrous, target land becomes an Island in addition to its other types.
5/5
Legalities
tlrnot legal
duellegal
brawlnot legal
pennylegal
PreDHnot legal
Rulings · 4
wotc
Monstrous isn't an ability that a creature has. It's just something true about that creature. If the creature stops being a creature or loses its abilities, it will continue to be monstrous.
wotc
An ability that triggers when a creature becomes monstrous won't trigger if that creature isn't on the battlefield when its monstrosity ability resolves.
Notes
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Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Adam Paquette
Card data via Scryfall. Rarix is fan-made; not endorsed by the rights holders.