# Alolan Muk #131/236 — Cosmic Eclipse

## Summary

Alolan Muk is a Gen I sludge heap reimagined as an Alola regional form, and that Darkness redesign keeps it a favorite among fans of the Kanto originals. As a plain Rare in a big set it was a mid-tier pull, with MAHOU's name adding modest collector interest. The modelled guide sits at $0.74, up 6% over 30 days on 21 copies traded, with 522 days of inventory on the board; a PSA 10 guides at $36, 49 times raw, but PSA does not split this card’s population by finish, so no gem rate can be read for it.

## Identity

| Field | Value |
| --- | --- |
| Set | Cosmic Eclipse |
| Number | 131/236 |
| Rarity | Rare |
| Era | SM |
| Illustrator | MAHOU |
| Release date | 2019-11-01 |
| Image | Unavailable |

## Card details

| Field | Value |
| --- | --- |
| Card type | POKEMON |
| Stage | Stage1 |
| Evolves from | Alolan Grimer |
| HP | 140 |
| Types | Darkness |
| Attack: Panic Poison | cost Darkness/Colorless — damage 20 — Your opponent’s Active Pokémon is now Burned, Confused, and Poisoned. |
| Attack: Sludge Bomb | cost Darkness/Darkness/Colorless — damage 110 |
| Weakness | Fighting ×2 |
| Resistance | Psychic -20 |
| Retreat | 4 |
| Legal | Standard no · Expanded yes |
| Pokédex entry | [Muk #089](https://cardboardalpha.com/pokemon/pokedex/muk) |
| Finishes | Normal, Reverse Holo |
| Languages | EN |

## Current stats

- Headline price: **$0.74** (ITEM_MEDIAN; modelled guide price) — as of 2026-10-31T23:24:14.494Z
- Headline basis: MODELLED_GUIDE — The venue’s published daily market guide, which the venue itself declares MODELLED. Nothing is confirmed to have traded at it, no copy is listed at it, and it is not our estimate — it is theirs.
- 24h change: n/a · 7d change: n/a — as of 2026-10-31T23:24:14.494Z
- Floor delivered ask: $1.79 — as of 2026-10-17T21:45:02.614Z
- Quant score: 57/100, regime FLOOR_FORMING — as of 2026-10-31T23:24:14.494Z — 4 of 11 inputs · 38% weight · -31% confidence

## Provenance

- Catalog — observed 2019-11-01T00:00:00Z, confidence 98%
- Live ask — observed 2026-10-25T06:09:28.312Z, confidence 90%
- Guide price (modelled) — observed 2026-11-01T00:00:00.000Z, confidence 90%
- Price statistic — observed 2026-10-25T06:09:26.101Z, confidence 90%
- Confirmed sale — observed 2026-10-25T06:05:21.637Z, confidence 85%
- Inventory count — observed 2026-10-25T06:09:26.100Z, confidence 70%
- Population census — observed 2026-09-08T09:51:29.166Z, confidence 60%

## Links

- [View on Cardboard Alpha](https://cardboardalpha.com/pokemon/cosmic-eclipse/alolan-muk-131)
- [JSON snapshot](https://cardboardalpha.com/api/terminal/raw~tcgdex%3Asm12-131%3AEN%3ANORMAL~NM)