+Heartfire (3)
As an additional cost to cast this spell, sacrifice a creature or planeswalker.
Heartfire deals 4 damage to any target.
Valiant — Whenever Heartfire Hero becomes the target of a spell or ability you control for the first time each turn, put a +1/+1 counter on it.
When Heartfire Hero dies, it deals damage equal to its power to each opponent.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
, Sacrifice this creature: It deals damage equal to its power to target creature or planeswalker.
Gatherer works better in the Companion app!