flavorText: The mage looked within and realized there was still one piece of fuel to burn.
name: Heartfire
originalText: As an additional cost to cast this spell, sacrifice a creature or planeswalker.
  Heartfire deals 4 damage to any target.
printings: JMP, WAR
text: As an additional cost to cast this spell, sacrifice a creature or planeswalker.
  Heartfire deals 4 damage to any target.
type: Instant