Chandra, Untempered Blaze

+1: Chandra, Untempered Blaze deals 1 damage to target player. If Chandra deals damage, exile the top card of your library. You may play it this turn
-X: Chandra, Untempered Blaze deals X damage to target creature.
+7: Chandra, Untempered Blaze deals 5 damage to target player and each creature he or she controls.