Tahngarth's Glare is a common Sorcery card from Apocalypse (APC), collector number 70. Current market price: $0.09 (foil $0.80), TCGplayer market prices via Scryfall.
Look at the top three cards of target opponent's library, then put them back in any order. That player looks at the top three cards of your library, then puts them back in any order.