The Underworld Cookbook is a uncommon Artifact — Book card from Modern Horizons 2 (MH2), collector number 240. Current market price: $0.35 (foil $0.72), TCGplayer market prices via Scryfall.
{T}, Discard a card: Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") {4}, {T}, Sacrifice this artifact: Return target creature card from your graveyard to your hand.