Otherworldly Gaze is a common Instant card from Duskmourn: House of Horror Commander (DSC), collector number 122. Current market price: $0.33, TCGplayer market prices via Scryfall.
Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)