---
name: "Unstable Mutation"
mana_cost: "{U}"
cmc: 1
type_line: "Enchantment — Aura"
colors: ["U"]
color_identity: ["U"]
keywords: ["Enchant"]
set: "4BB"
set_name: "Fourth Edition Foreign Black Border"
collector_number: "110"
rarity: "common"
artist: "Douglas Shuler"
oracle_id: "278b237e-9699-43eb-a03e-0b68eccc08b3"
canonical_url: "https://avascry.com/printing/unstable-mutation-4bb"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "not_legal"
---

# Unstable Mutation
- **Mana Cost:** `{U}` (CMC: 1)
- **Type:** Enchantment — Aura
- **Keywords:** Enchant

## Oracle Text
Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

## Top 4096-Dim Neural Synergies
1. [Forced Adaptation](/printing/forced-adaptation-rvr.md) — Enchantment — Aura
2. [Spontaneous Mutation](/printing/spontaneous-mutation-inr.md) — Enchantment — Aura
3. [Consuming Fervor](/printing/consuming-fervor-akh.md) — Enchantment — Aura
4. [Essence Flare](/printing/essence-flare-ice.md) — Enchantment — Aura
5. [Darksteel Mutation](/printing/darksteel-mutation-cmm.md) — Enchantment — Aura
6. [Momentum](/printing/momentum-uds.md) — Enchantment — Aura

## Printing Details
- **Set:** Fourth Edition Foreign Black Border (4BB) #110
- **Rarity:** Common
- **Artist:** Douglas Shuler
- **Total Printings:** 41 across all historical editions

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