---
name: "Corrupted Key"
mana_cost: "{B}"
cmc: 1
type_line: "Artifact — Key"
colors: ["B"]
color_identity: ["B"]
keywords: []
set: "CMB2"
set_name: "Mystery Booster Playtest Cards 2021"
collector_number: "39"
rarity: "rare"
artist: "Tom Wänerstrand"
oracle_id: "9f5b9547-a1e7-4348-a3e8-860c2db264cc"
canonical_url: "https://avascry.com/printing/corrupted-key-cmb2"
legalities:
  commander: "not_legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "not_legal"
  vintage: "not_legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Corrupted Key
- **Mana Cost:** `{B}` (CMC: 1)
- **Type:** Artifact — Key

## Oracle Text
As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.

## Top 4096-Dim Neural Synergies
1. [Pestilent Spirit](/printing/pestilent-spirit-rna.md) — Creature — Spirit
2. [Nezumi Bladeblesser](/printing/nezumi-bladeblesser-neo.md) — Creature — Rat Samurai
3. [Organic Avulsion Unit](/printing/organic-avulsion-unit-trk.md) — Artifact Creature — Borg
4. [Golgari Keyrune](/printing/golgari-keyrune-rtr.md) — Artifact
5. [Rattleback Apothecary](/printing/rattleback-apothecary-otj.md) — Creature — Gorgon Warlock
6. [Embraal Bruiser](/printing/embraal-bruiser-kld.md) — Creature — Human Warrior

## Printing Details
- **Set:** Mystery Booster Playtest Cards 2021 (CMB2) #39
- **Rarity:** Rare
- **Artist:** Tom Wänerstrand
- **Total Printings:** 2 across all historical editions

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