Condescend is a common Instant card from Duel Decks: Jace vs. Chandra (DD2), collector number 28. Current market price: $0.53, TCGplayer market prices via Scryfall.
Counter target spell unless its controller pays {X}. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)