Witch's Oven is a uncommon Artifact card from Throne of Eldraine (ELD), collector number 237. Current market price: $0.86 (foil $1.14), TCGplayer market prices via Scryfall.
{T}, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.")