Grim Giganotosaurus is a rare Creature — Dinosaur card from Jurassic World Collection (REX), collector number 11. Current market price: $5.82 (foil $9.07), TCGplayer market prices via Scryfall.
{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.