Dubious Delicacy is a uncommon Artifact — Food card from Edge of Eternities (EOE), collector number 96. Current market price: $0.18 (foil $0.32), TCGplayer market prices via Scryfall.
Flash When this artifact enters, up to one target creature gets -3/-3 until end of turn. {2}, {T}, Sacrifice this artifact: You gain 3 life. {2}, {T}, Sacrifice this artifact: Target opponent loses 3 life.