---
name: "Grinning Demon"
mana_cost: "{2}{B}{B}"
cmc: 4
type_line: "Creature — Demon"
colors: ["B"]
color_identity: ["B"]
keywords: ["Morph"]
set: "ONS"
set_name: "Onslaught"
collector_number: "153"
rarity: "rare"
artist: "Mark Zug"
oracle_id: "3db0207d-d80b-4915-b157-6a3e5b3a154e"
canonical_url: "https://avascry.com/printing/grinning-demon-ons"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Grinning Demon
- **Mana Cost:** `{2}{B}{B}` (CMC: 4)
- **Type:** Creature — Demon
- **Power/Toughness:** 6/6
- **Keywords:** Morph

## Oracle Text
At the beginning of your upkeep, you lose 2 life.
Morph {2}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

## Top 4096-Dim Neural Synergies
1. [Liege of the Pit](/printing/liege-of-the-pit-tsp.md) — Creature — Demon
2. [Ruthless Ripper](/printing/ruthless-ripper-prm.md) — Creature — Human Assassin
3. [Bane of the Living](/printing/bane-of-the-living-cm2.md) — Creature — Insect
4. [Thrashing Mudspawn](/printing/thrashing-mudspawn-ons.md) — Creature — Beast
5. [Zombie Cutthroat](/printing/zombie-cutthroat-plst.md) — Creature — Zombie
6. [Ebonblade Reaper](/printing/ebonblade-reaper-ons.md) — Creature — Human Cleric

## Printing Details
- **Set:** Onslaught (ONS) #153
- **Rarity:** Rare
- **Artist:** Mark Zug
- **Total Printings:** 9 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`