Biowaste Blob is a rare Creature — Ooze card from Commander Legends (CMR), collector number 219. Current market price: $0.41 (foil $0.59), TCGplayer market prices via Scryfall.
Oozes you control get +1/+1. At the beginning of your upkeep, if you control a commander, create a token that's a copy of this creature.