Itzquinth, Firstborn of Gishath is a uncommon Legendary Creature — Dinosaur card from The Lost Caverns of Ixalan (LCI), collector number 331. Current market price: $0.26 (foil $0.31), TCGplayer market prices via Scryfall.
Haste When Itzquinth enters, you may pay {2}. When you do, target Dinosaur you control deals damage equal to its power to another target creature.