Cabal Therapy is a uncommon Sorcery card from Premium Deck Series: Graveborn (PD3), collector number 12. Current market price: — (foil $9.49), TCGplayer market prices via Scryfall.
Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)