Embrace the Unknown is a rare Sorcery card from Outlaws of Thunder Junction Commander (OTC), collector number 64. Current market price: $0.97, TCGplayer market prices via Scryfall.
Exile the top two cards of your library. Until the end of your next turn, you may play those cards. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)