Grim Giganotosaurus {5}{B}{G}
Creature — Dinosaur
{10}{B}{G}: Monstrosity 10. This ability costs {1} less to activate for each creature with power 4 or greater your opponents control. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, destroy all artifacts and creatures other than this creature.
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Cards that do something similar expected a card that isn't here?
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