Ooze Patrol is a uncommon Creature — Ooze card from Aetherdrift (DFT), collector number 172. Current market price: $0.20 (foil $0.25), TCGplayer market prices via Scryfall.
When this creature enters, mill two cards, then put a +1/+1 counter on this creature for each artifact and/or creature card in your graveyard. (To mill two cards, put the top two cards of your library into your graveyard.)