---
name: "Death-Rattle Oni"
mana_cost: "{6}{B}"
cmc: 7
type_line: "Creature — Demon Spirit"
colors: ["B"]
color_identity: ["B"]
keywords: ["Flash"]
set: "MAT"
set_name: "March of the Machine: The Aftermath"
collector_number: "113"
rarity: "uncommon"
artist: "Wayne Reynolds"
oracle_id: "bea40c67-73ca-4b5e-b902-5de07f21585c"
canonical_url: "https://avascry.com/printing/death-rattle-oni-mat"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Death-Rattle Oni
- **Mana Cost:** `{6}{B}` (CMC: 7)
- **Type:** Creature — Demon Spirit
- **Power/Toughness:** 5/4
- **Keywords:** Flash

## Oracle Text
Flash
This spell costs {2} less to cast for each creature that died this turn.
When this creature enters, destroy all other creatures that were dealt damage this turn.

## Top 4096-Dim Neural Synergies
1. [Grim Wanderer](/printing/grim-wanderer-hbg.md) — Creature — Goblin Warlock
2. [Bloodcrazed Paladin](/printing/bloodcrazed-paladin-xln.md) — Creature — Vampire Knight
3. [Liliana's Standard Bearer](/printing/lilianas-standard-bearer-m21.md) — Creature — Zombie Knight
4. [Lurking Deadeye](/printing/lurking-deadeye-iko.md) — Creature — Human Assassin
5. [Bogardan Firefiend](/printing/bogardan-firefiend-hop.md) — Creature — Elemental Spirit
6. [Bone Devourer](/printing/bone-devourer-tdc.md) — Creature — Dragon

## Printing Details
- **Set:** March of the Machine: The Aftermath (MAT) #113
- **Rarity:** Uncommon
- **Artist:** Wayne Reynolds
- **Total Printings:** 27 across all historical editions

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