Reckless Detective is a uncommon Creature — Devil Detective card from Murders at Karlov Manor (MKM), collector number 141. Current market price: $0.19 (foil $0.25), TCGplayer market prices via Scryfall.
Whenever this creature attacks, you may sacrifice an artifact or discard a card. If you do, draw a card and this creature gets +2/+0 until end of turn.