Agnel, The Cobalt Devil

+1: Look at the top two cards of target opponents library. You many choose to place any number of them on the bottom of that player's library.
-3: Exile target creature for as long as Agnel, The Cobalt Devil remains in play. If that creature is a Demon, Devil, or Fiend it doesn't come back.
-7: Create a nonlegendary copy of Agnel, The Cobalt Devil. This copy enters the battlefield with 8 Loyalty.