Shimian Specter is a rare Creature — Specter card from Future Sight (FUT), collector number 76. Current market price: $0.20 (foil $2.29), TCGplayer market prices via Scryfall.
Flying Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a nonland card from it. Search that player's graveyard, hand, and library for all cards with the same name as that card and exile them. Then that player shuffles.