Gym Challenge

#26 · 2000 · 132 cards

Koga's Muk#26 · Gym Challenge

RarePokémonStage 1Grass

Market Price · Near Mint · Scrydex

↓ Declining

$14.99

▼ 8.8%-$1.4014d▲ 5.8%6m

All-Time High

$14.57

May 2026

All-Time Low

$14.57

May 2026

Prices by Condition

Condition	Market	vs NM
Near Mint	$14.57	base
Lightly Played	$12.63	-13%
Moderately Played	$7.87	-46%
Heavily Played	$7.53	-48%
Damaged	$7.73	-47%

~ estimated from NM using standard condition discounts · updated when marketplace data is available

Search eBay sold →

Price History

Buy on TCGPlayer

Prices updated May 23, 2026

Shop now →

Near Mint · Market

$14.99

Buy

Recent market data · NM · Via Scrydex

Market data sourced from Scrydex · Grale earns a commission on TCGPlayer purchases at no extra cost to you

Buy on eBay

View sold on eBay Shop now →

Live listings · Sorted by price

Grale earns a commission on eBay purchases at no extra cost to you

Graded Card Prices

PSA 10

$78.73

$75.00 – $79.00

+425% raw

PSA 9

$166.98

$32.00 – $299.00

+1014% raw

PSA 8

$30.79

$28.00 – $37.00

+105% raw

PSA 7

$21.00

$21.00 – $21.00

+40% raw

CGC 10

$98.74

$60.00 – $99.00

+559% raw

CGC 9

$33.99

$13.00 – $39.99

+127% raw

CGC 8.5

$15.26

$7.00 – $15.50

+2% raw

CGC 7.5

$18.00

$18.00 – $18.00

+20% raw

CGC 5.5

$4.00

$4.00 – $4.00

-73% raw

Full Price Guide: Koga's Muk #26 (Gym Challenge)

Ungraded + PSA / CGC / BGS grades

Condition	Market
Near MintMost common	$14.57
Lightly Played	$12.63
Moderately Played	$7.87
Heavily Played	$7.53
Damaged	$7.73

Graded Prices

Grade	PSA	CGC	BGS	vs Raw
★ 10	$78.73	$98.74	—	+440%
9	$166.98	$33.99	—	+1046%
8	$30.79	—	—	+111%
7	$21.00	—	—	+44%

Market prices from Scrydex · ~ estimated using standard condition discounts

Set Rank · Gym Challenge

#50of 131

Top 38%

$1.24$894.61

Card Details

Type

Pokémon

Stage

Stage 1

Evolves from

Koga's Grimer

Ability

Pokémon Power

Energy Drain

If an opponent's attack does damage to Koga's Muk (even if Koga's Muk is Knocked Out), flip a coin. If heads and if it has any, choose 1 Energy card attached to the attacking Pokémon and discard it. This power can't be used if Koga's Muk is already Asleep, Confused, or Paralyzed when your opponent attacks.

Attack

GrassGrassColorless

Sludge Whirlpool

Weakness

Psychic×2

Retreat Cost

ColorlessColorlessColorless

Illustrated by

Ken Sugimori

Pokédex

#89