---
name: "Mjölnir, Storm Hammer"
mana_cost: "{4}"
cmc: 4
type_line: "Legendary Artifact — Equipment"
colors: []
color_identity: []
keywords: ["Equip"]
set: "ACR"
set_name: "Assassin's Creed"
collector_number: "74"
rarity: "rare"
artist: "L J Koh"
oracle_id: "f497e9a5-0ad3-4aec-8422-14be8e0dba4c"
canonical_url: "https://avascry.com/printing/mjölnir-storm-hammer-acr"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Mjölnir, Storm Hammer
- **Mana Cost:** `{4}` (CMC: 4)
- **Type:** Legendary Artifact — Equipment
- **Keywords:** Equip

## Oracle Text
When Mjölnir enters, attach it to target legendary creature you control.
Whenever equipped creature attacks, tap target creature defending player controls and put a stun counter on it. Then Mjölnir deals damage to each opponent equal to the number of tapped creatures that opponent controls.
Equip {4}

## Top 4096-Dim Neural Synergies
1. [Mjölnir, Hammer of Thor](/printing/mjölnir-hammer-of-thor-msh.md) — Legendary Artifact — Equipment
2. [Hammer of Ruin](/printing/hammer-of-ruin-wwk.md) — Artifact — Equipment
3. [Sting, Bilbo's Sword](/printing/sting-bilbos-sword-hob.md) — Legendary Artifact — Equipment
4. [Greatsword of Tyr](/printing/greatsword-of-tyr-clb.md) — Artifact — Equipment
5. [Dead-Iron Sledge](/printing/dead-iron-sledge-mrd.md) — Artifact — Equipment
6. [Stormforged Armor](/printing/stormforged-armor-ytdm.md) — Legendary Artifact — Equipment

## Printing Details
- **Set:** Assassin's Creed (ACR) #74
- **Rarity:** Rare
- **Artist:** L J Koh
- **Total Printings:** 17 across all historical editions

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