Arbor Colossus

Creature — Giant    (CMC:5)

Reach : Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Arbor Colossus becomes monstrous, destroy target creature with flying an opponent controls.

150 THS • ENJaime Jones

™ & © 1993—2013 Wizards of the Coast

Legal in: Modern,Theros Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Arbor Colossus {2}{G}{G}{G} Creature — Giant Reach {3}{G}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Arbor Colossus becomes monstrous, destroy target creature with flying an opponent controls. 6/6

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9/15/2013
Once a creature becomes monstrous, it can’t become monstrous again. If the creature is already monstrous when the monstrosity ability resolves, nothing happens.
9/15/2013
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.
9/15/2013
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.

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