Cruel Ultimatum is a rare Sorcery card from Duel Decks: Ajani vs. Nicol Bolas (DDH), collector number 69. Current market price: $0.39, TCGplayer market prices via Scryfall.
Target opponent sacrifices a creature of their choice, discards three cards, then loses 5 life. You return a creature card from your graveyard to your hand, draw three cards, then gain 5 life.