Grisly Ritual is a common Sorcery card from Innistrad: Crimson Vow (VOW), collector number 116. Current market price: $0.15 (foil $0.18), TCGplayer market prices via Scryfall.
Destroy target creature or planeswalker. Create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")