Feral Appetite is a rare Enchantment card from Secrets of Strixhaven Commander (SOC), collector number 38. Current market price: $0.30, TCGplayer market prices via Scryfall.
Attacking Pests you control get +1/+0 and have deathtouch. {1}{G}: Exile target card from a graveyard. If a creature card is exiled this way, create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."