Fayeth, Tempest

+2: Look at the top 3 cards of your library. Put one into your hand, one into the graveyard, and one back on top of your library.
-1: Target instant or sorcery card in your graveyard gains flashback until end of turn. It's flashback cost is equal to it's mana cost.
-7: Deal X damage to all creatures and opponents, where x is the number of instant and sorceries in your graveyard and exile.