Muk Secret Wonders #56

Card #56 · Illustrated by Daisuke Ito

80 HPPsychicPokémonStage 1

Market value · ungraded

$15.62

Blended across Fanatics + TCGplayer
Sold prices, not asking · Updated 5 July 2026
Confidence high · How we price →

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Estimated value · Near Mint

$15.62

Pro view — Trader plan and above

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9 different Muk printings exist — is this your card? Secret Wonders #56

Muk is a Uncommon Pokémon card from Secret Wonders (#56), illustrated by Daisuke Ito. It's a Stage 1 Psychic-type Pokémon with 80 HP, evolving from Grimer, weak to Psychic +20. Its current blended market value is $15.62 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 5 July 2026.

#13 most valuable Muk of 32 #26 most valuable in Secret Wonders of 132

Raw price by condition

Reverse Holofoil · live market via TCGplayer

NMNear Mint$15.62

LPLightly Played$4.19

MPModerately Played$2.79

HPHeavily Played$0.92

7-dayflat

30-dayflat

90-dayflat

All-time high$16

All-time low$7

Other printingsNormal · $0.61

Price by variant

Reverse Holo$16

Normal$1

TCGplayer market price per printing — reverse holo, 1st edition and unlimited often differ sharply.

Graded prices

Ungraded (raw)$15.62

CGC graded price estimates by grade
Grade	Relative value	Price
CGC 9.5pop 12		$30$30–$30

“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

Price history · Raw

1 Aug 20231 Jul 2026

Latest

$0.85

Period high

$2.00

Period low

$0.73

Change

▼ 35.1%

Recent sold prices

Last sold price

CGC (ungraded lot) · 2 Mar 2026

Typical CGC (ungraded lot)

Sales · last 90 days

How often it sells

Rarely sells

0 in last 30 days

CGC (ungraded lot)2007 Pokemon Diamond & Pearl Secret Wonders Reverse Holo Muk #56 CGC AUTHWeekly Sunday Auction #215 · 2 Mar 2026$7

Real completed sale prices from Fanatics Collect — weekly and premier auctions plus marketplace Buy It Now sales, refreshed periodically. Grade read from the listing title.

Population across graders

Only 16% of 188 CGC-graded Muk copies are a gem-mint 10 (30 of 188) — the rest grade lower.

CGC188 gradedCGC 10 · 30 · 16% gem rate

Full grade breakdown (5 grades)

1030

9.512

940

8.536

838

Real graded population from PSA, CGC & BGS — a lower gem rate means a Muk 10 is harder to pull.

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Where to buy

Available to buy nowLive on eBay

Check recent sold prices

eBay sold PriceCharting

Market dataCross-market spread, EU price, momentum & community buzz

Market signal

Momentum · 30dFlat 0%

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

Card text

Evolves from Grimer.

Toxic Sludge · Poké-Body

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 Liquid50

Psychic · Psychic · Colorless

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

Weakness Psychic +20Retreat 2

“A toxic fluids seeps from its body. The fluid instantly kills plants and trees on contact.”

About the Pokémon

Sludge PokémonGEN IGrimer → Muk

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Card details

SetSecret Wonders →

Number#56

RarityUncommon

PokémonAll Muk cards →

GenerationGen I · Kanto →

ArtistDaisuke Ito →

SupertypePokémon

SubtypesStage 1

TypePsychic

HP80

Evolves fromGrimer

WeaknessPsychic +20

Retreat cost2

National Pokédex#89

Card IDdp3-56

SourceAggregated marketplaces

Other Muk cards

There are 9 different Muk printings — make sure you're valuing the right one. This is Secret Wonders #56 (Uncommon).