Chandra Torch of Defiance

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra deals 2 damage to each opponent OR Add {r}{r}.
-3: Chandra, Torch of Defiance deals 4 damage to target creature.
-7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to target any target."