---
name: "Spontaneous Combustion"
mana_cost: "{1}{B}{R}"
cmc: 3
type_line: "Instant"
colors: ["B", "R"]
color_identity: ["B", "R"]
keywords: []
set: "CNS"
set_name: "Conspiracy"
collector_number: "194"
rarity: "uncommon"
artist: "Jason Rainville"
oracle_id: "0f81064d-01cd-4a61-8aea-2544e4d14b70"
canonical_url: "https://avascry.com/printing/spontaneous-combustion-cns"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Spontaneous Combustion
- **Mana Cost:** `{1}{B}{R}` (CMC: 3)
- **Type:** Instant

## Oracle Text
As an additional cost to cast this spell, sacrifice a creature.
Spontaneous Combustion deals 3 damage to each creature.

> *「熱い戦い」っていうのは、普通は比喩でそう言うんだがね。*

## Top 4096-Dim Neural Synergies
1. [Fiery Conclusion](/printing/fiery-conclusion-ori.md) — Instant
2. [Heartfire](/printing/heartfire-war.md) — Instant
3. [Burnt Offering](/printing/burnt-offering-ice.md) — Instant
4. [Pyrrhic Blast](/printing/pyrrhic-blast-bro.md) — Instant
5. [Final Flare](/printing/final-flare-thb.md) — Instant
6. [Collateral Damage](/printing/collateral-damage-jmp.md) — Instant

## Printing Details
- **Set:** Conspiracy (CNS) #194
- **Rarity:** Uncommon
- **Artist:** Jason Rainville
- **Total Printings:** 12 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`