Chandra, Enraged Mage

+2: Chandra deals 3 damage to target creature or player. Discard a card.
-1: You may cast target instant or sorcery from you graveyard with mana cost 3 or less, and not pay its mana cost.
-7: You get an emblem with:"Whenever you cast an instant or sorcery, copy it and draw a card, then discard a card".