Cobra, Fang of Prowess

+2: Discard a card: Target instant or sorcery in your graveyard gains flashback, with a flashback cost equal to the spells mana value.
0: Draw two cards and discard a card.
-6: Gain an emblem that says "whenever you cast an instant or sorcery, put a +1/+1 counter on target creature". Transform Cobra, Fang of Justice.