Cathartic Parting is a uncommon Sorcery card from Duskmourn: House of Horror (DSK), collector number 171. Current market price: $0.20 (foil $0.25), TCGplayer market prices via Scryfall.
The owner of target artifact or enchantment an opponent controls shuffles it into their library. You may shuffle up to four target cards from your graveyard into your library.