Armored Kincaller is a common Creature — Dinosaur card from The Lost Caverns of Ixalan (LCI), collector number 174. Current market price: $0.19 (foil $0.28), TCGplayer market prices via Scryfall.
When this creature enters, you may reveal a Dinosaur card from your hand. If you do or if you control another Dinosaur, you gain 3 life.