Blood Fountain is a common Artifact card from Innistrad: Crimson Vow (VOW), collector number 95. Current market price: $0.36 (foil $1.77), TCGplayer market prices via Scryfall.
When this artifact enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") {3}{B}, {T}, Sacrifice this artifact: Return up to two target creature cards from your graveyard to your hand.