Golden Egg is a common Artifact — Food card from Throne of Eldraine (ELD), collector number 220. Current market price: $0.26 (foil $1.01), TCGplayer market prices via Scryfall.
When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Add one mana of any color. {2}, {T}, Sacrifice this artifact: You gain 3 life.