---
name: "Mysterious Egg"
mana_cost: "{1}"
cmc: 1
type_line: "Creature — Egg"
colors: []
color_identity: []
keywords: []
set: "PRM"
set_name: "Magic Online Promos"
collector_number: "80939"
rarity: "common"
artist: "Yoroikoji"
oracle_id: "d3b62851-6013-49e5-8808-fa61b1bdfe98"
canonical_url: "https://avascry.com/printing/mysterious-egg-prm"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Mysterious Egg
- **Mana Cost:** `{1}` (CMC: 1)
- **Type:** Creature — Egg
- **Power/Toughness:** 0/2

## Oracle Text
Whenever this creature mutates, put a +1/+1 counter on it.

## Top 4096-Dim Neural Synergies
1. [Essence Symbiote](/printing/essence-symbiote-iko.md) — Creature — Beast
2. [Glowstone Recluse](/printing/glowstone-recluse-iko.md) — Creature — Spider
3. [Slithering Cryptid](/printing/slithering-cryptid-tmt.md) — Creature — Fish Mutant
4. [Michelangelo, Weirdness to 11](/printing/michelangelo-weirdness-to-11-tmt.md) — Legendary Creature — Mutant Ninja Turtle
5. [Mona Lisa, Ever Adaptable](/printing/mona-lisa-ever-adaptable-tmc.md) — Legendary Creature — Lizard Mutant
6. [Auspicious Starrix](/printing/auspicious-starrix-iko.md) — Creature — Elk Beast

## Printing Details
- **Set:** Magic Online Promos (PRM) #80939
- **Rarity:** Common
- **Artist:** Yoroikoji
- **Total Printings:** 13 across all historical editions

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