Uurg, Spawn of Turg is a uncommon Legendary Creature — Frog Beast card from Dominaria United (DMU), collector number 225. Current market price: $0.21 (foil $0.28), TCGplayer market prices via Scryfall.
Uurg's power is equal to the number of land cards in your graveyard. At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) {B}{G}, Sacrifice a land: You gain 2 life.