Akmenos, Tiefling Advisor

+2: Discard a card. Deal 2 damage divided among target creatures.
-4: Discard your hand. Draw a card until you draw a non-instant or non-sorcery card. Instants and sorceries cost 2 less until end of turn.
-8: You may play all instants and sorceries in your graveyard this turn without playing their mana cost. Exile any spell cast this way.