Scour is a uncommon Instant card from Betrayers of Kamigawa (BOK), collector number 20. Current market price: $0.17 (foil $5.00), TCGplayer market prices via Scryfall.
Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles.