Heartfire Immolator (150) (Promo Pack) (PM21)

Card Text

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{R}, Sacrifice this creature: It deals damage equal to its power to target creature or planeswalker.

flavour Text

“I’d rather go out in a blaze of glory than fade away and be forgotten.”