Stain the Mind is a rare Sorcery card from Magic 2015 (M15), collector number 117. Current market price: $0.22 (foil $0.30), TCGplayer market prices via Scryfall.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.