Extract 2, then scry 2 and draw two cards. (Exile the top two cards of target opponent’s library. If you don’t control a Nightmare token, create a */1 black Nightmare creature token with ‘This creature gets +1/+0 for each creature card your opponents own in exile.’)

Salazar wishes to use his alliance with the capital to gain access to the Cloudspire, the source of all knowledge in Arcadia.