Spontaneous Combustion Tweet Moderate Play, English, 4 in stock $0.35 Heavy Play, English, 2 in stock $0.31 Details Color: Multi-Color Card Text: As an additional cost to play Spontaneous Combustion, sacrifice a creature. Spontaneous Combustion deals 3 damage to each creature. Rarity: U Cost: 1BR Card Type: Instant Name: Spontaneous Combustion Finish: Regular Set Name: Tempest