Scavenging Ooze is a rare Creature — Ooze card from Core Set 2021 Promos (PM21), collector number 204p. Current market price: $0.40 (foil $0.70), TCGplayer market prices via Scryfall.
{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on this creature and you gain 1 life.