Carrot Cake is a common Artifact — Food card from Bloomburrow (BLB), collector number 7. Current market price: $0.24 (foil $0.30), TCGplayer market prices via Scryfall.
When this artifact enters and when you sacrifice it, create a 1/1 white Rabbit creature token and scry 1. (Look at the top card of your library. You may put that card on the bottom.) {2}, {T}, Sacrifice this artifact: You gain 3 life.