Thought Hemorrhage is a rare Sorcery card from Alara Reborn (ARB), collector number 47. Current market price: $0.25 (foil $0.54), TCGplayer market prices via Scryfall.
Choose a nonland card name. Target player reveals their hand. Thought Hemorrhage deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.