Fateful Absence is a rare Instant card from Innistrad: Double Feature (DBL), collector number 18. Current market price: $0.79 (foil $5.40), TCGplayer market prices via Scryfall.
Destroy target creature or planeswalker. Its controller investigates. (They create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")