“"Heat of battle" is usually a metaphor.”
Spontaneous Combustion
Card Rules and Details
Card Type: Instant
Mana Cost: {1}{B}{R}
Oracle Rules Text: As an additional cost to cast this spell, sacrifice a creature. Spontaneous Combustion deals 3 damage to each creature.
Flavor Text: "Heat of battle" is usually a metaphor.
Set: Conspiracy (#194), Rarity: Uncommon, Artist: Jason Rainville
Instant
Black
Red
Uncommon
$0.16
Regular
$0.52
✨ Foil
€0.22
Euro
Prices as of Sep 02, 2026. Market values fluctuate; double-check current pricing before purchasing.
Historical Printings & Sets (1)
1 Languages
Official Rulings (2)
2013-04-15
You must sacrifice exactly one creature to cast this spell; you cannot cast it without sacrificing a creature, and you cannot sacrifice additional creatures.
2013-04-15
Players can only respond once this spell has been cast and all its costs have been paid. No one can try to destroy the creature you sacrificed to prevent you from casting this spell.
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