Watchful Blisterzoa is a uncommon Creature — Phyrexian Jellyfish card from Phyrexia: All Will Be One (ONE), collector number 78. Current market price: $0.13 (foil $0.17), TCGplayer market prices via Scryfall.
Flying This creature enters with an oil counter on it. When this creature dies, draw cards equal to the number of oil counters on it.