Fae Offering is a uncommon Enchantment card from Modern Horizons 2 (MH2), collector number 158. Current market price: $0.30 (foil $0.25), TCGplayer market prices via Scryfall.
At the beginning of each end step, if you've cast both a creature spell and a noncreature spell this turn, create a Clue token, a Food token, and a Treasure token.