Instant, 1BR (3)
Uncommon
As an additional cost to cast Spontaneous Combustion, sacrifice a creature.
Spontaneous Combustion deals 3 damage to each creature.
"Heat of battle" is usually a metaphor.
Illus. Doug Chaffee

10/4/2004: The sacrifice of a creature is part of the cost of casting the card. You can't pay this cost more than once to get a multiple effect.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander