Ribtruss Roaster is a rare Creature — Troll Druid card from Secrets of Strixhaven Commander (SOC), collector number 43. Current market price: $0.31, TCGplayer market prices via Scryfall.
Devour 1 (As this creature enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.) At the beginning of your end step, create a number of 1/1 black and green Pest creature tokens equal to the number of +1/+1 counters on this creature. They have "When this token dies, you gain 1 life."