Clutch of the Undercity is a uncommon Instant card from Ravnica: City of Guilds (RAV), collector number 197. Current market price: $0.25 (foil $0.99), TCGplayer market prices via Scryfall.
Return target permanent to its owner's hand. Its controller loses 3 life. Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)