Cherished Hatchling is a uncommon Creature — Dinosaur card from Rivals of Ixalan (RIX), collector number 124. Current market price: $0.12 (foil $0.82), TCGplayer market prices via Scryfall.
When this creature dies, you may cast Dinosaur spells this turn as though they had flash, and whenever you cast a Dinosaur spell this turn, it gains "When this creature enters, you may have it fight another target creature."