Chandra, Awakened Inferno

This spell can't be countered.
+2: Each opponent gets an emblem with 'At the beginning of your upkeep, this emblem deals 1 damage to you.'
−3: Chandra deals 3 damage to each non-Elemental creature.
−X: Chandra deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.