01Card Stats

Stage 1 (evolves from Grimer)

HP 80

TypePsychic

RarityUncommon

IllustratorDaisuke Ito

WeaknessPsychic +20

Retreat●●

SetSecret Wonders

Released2007

02Editions and Print Runs

Modern print era — no 1st Edition or Shadowless variants exist for cards printed after the WotC era.

Unlimited

How to spot it: Standard modern card frame; no edition stamp.

All copies share the same Unlimited print frame.

04Variants and Foiling

Rarity tiers: Uncommon
Foiling: Non-holo standard finish. Reverse-holo parallel exists with the holo pattern applied to the background.
Alt art / specials: No full-art, secret rare, or alternate-art version documented for this print.

05Language and Regional Versions

English: Standard English release.
Japanese: Released in the equivalent Japanese set.
European: Localized European prints exist with translated text.
Other: No documented language-exclusive errors or major regional variants.

06Current Market Value

Non Holo	~$0.59 TCGplayer market (asking-price proxy); eBay solds may differ — verify current listings.
Reverse Holo	~$16 TCGplayer market for the reverse-holo parallel (asking-price proxy).

TCGplayer market is an asking-price proxy and can run above realized eBay sold prices; verify against recent solds before buying or selling.

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07Why Collectors Want It

Final evolution of the Grimer → Muk line — home to the Fossil holo and Dark Muk prints.
Required for any complete Muk master set across eras.
Collectors of the Secret Wonders set need this card to finish it.

08Competitive Playability

Tier: None

Stage 1 Muk with 80 HP; top attack around 50 damage. Functions as an evolution-chain piece rather than a tournament attacker.

09Card Moves and Abilities

Ability: Toxic Sludge

At the end of each player's turn, each of your opponent's Active Pokémon that has any Grass Energy attached to it is now Poisoned. If that Pokémon is already Poisoned, Toxic Sludge Poké-Body does nothing to that Pokémon.

Panic Liquid Cost: Psychic + Psychic + Colorless · 50 damage

The Defending Pokémon is now Confused and can't retreat during your opponent's next turn.

Weakness: Psychic +20
Retreat cost: 2

10Grading and Population

PSA 10 estimate: Modern Common/Uncommon — most copies are not graded because raw value rarely justifies the fee.

Graded populations stay low; usually collected raw or sleeved rather than slabbed.

Other graders: Negligible BGS/CGC submission volume.

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