Kerhna Krosh

+1: Exile the top card of your library. If it's an instant or sorcery card, you may cast it for as long as it remain exiled.
-2: Until the end of turn, the next time you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.
-8: You get an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."