Slaughter Games is a rare Sorcery card from Return to Ravnica (RTR), collector number 197. Current market price: $0.23 (foil $0.75), TCGplayer market prices via Scryfall.
This spell can't be countered. Choose a nonland card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.