Seath, The Scaleless

0: Exile the top card of your library, if it is an Instant or sorcery you may cast it, if you do not put it at the bottom of your library.
-1: The next time you would cast an Instant or Sorcery this game you may copy it, you may choose new targets for the copy.
-3: Seath, The Scaleless deals damage to target creature equal to twice the number of Instants and Sorceries in your graveyard.