Foul Play is a uncommon Sorcery card from Innistrad: Double Feature (DBL), collector number 101. Current market price: $0.11 (foil $1.09), TCGplayer market prices via Scryfall.
Destroy target creature with power 2 or less. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")