Faerie Snoop is a common Creature — Faerie Detective card from Murders at Karlov Manor (MKM), collector number 203. Current market price: $0.14 (foil $0.15), TCGplayer market prices via Scryfall.
Flying Disguise {1}{U/B}{U/B} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this creature is turned face up, look at the top two cards of your library. Put one into your hand and the other into your graveyard.