Jorvahl, God of Learning

+1: The next noncreature spell you cast this turn costs X less to cast, where X is equal to your devotion to white and blue.
-1: Choose a noncreature spell in your graveyard. It gains flashback until end of turn, and its flashback cost is equal to its mana cost.
-6: You get an emblem with "You may look at the top card of your library at any time. You may cast noncreature spells from the top of your library."