Koga's Muk

Gym Challenge · #26/132 · Rare · 2000

All 68 Muk cards ranked by value →
$12.07
Market price ▼ 3.7% (30d)
Prices as of Nov 5, 2026
Unlimited1st Edition
HP 80GrassStage 1Art · Ken Sugimori
188graded pop
26%gem rate
5.1×PSA 10 vs raw
-33%off ATH $17.99 · Sep 2026
−$0.47EV to grade — don't
Market data

Printings & price history

Unlimited▲ 0.3% 7d$12.07
Low $8.00Mid $10.91

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Graded market

Graded values

PSA 10 report →updated 2026-11-05
Grade 6 est.$9.50
Grade 5 est.$8.00
Grade 4 est.$6.60
Grade 3 est.$5.50
Grade 2 est.$4.50
Grade 1 est.$3.80

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$61.01

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-17

PSA114 graded · 34 gem 10
CGC74 graded · 15 gem 10

Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · PSA 9
$43.20
Low confidence — a single sale, not yet corroborated
Recent sale price by grade · tracked by cert number
CGC 10 · 1st Ed
$115.00
last $115.00 · Sep 7, 2026 · 1 sale
PSA 9 · 1st Ed
$36.00
last $36.00 · Aug 24, 2026 · 1 sale
Unconfirmed
CGC 10 · 6 bids · Sep 7, 2026
$115.00
Verified
PSA 9 · 10 bids · Aug 24, 2026
$36.00
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More Muk cards all 68 ranked by value →

Muk AquapolisMukAquapolis · 2003$269.50Muk Legendary CollectionMukLegendary Collection · 2002$23.58Muk The Town on No Map (Japanese)MukThe Town on No Map · 2002$149.99Muk ex DragonMuk exDragon · 2003$122.00Muk & Alolan Muk-GX Unbroken BondsMuk & Alolan Muk-GXUnbroken Bonds · 2019$108.06Muk FossilMukFossil · 1999$11.41

Abilities

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.

Attacks

40Sludge Whirlpool

How much is Koga's Muk #26/132 worth?

Koga's Muk #26/132 is a Rare card from Gym Challenge (2000) — today it trades at roughly $12.07 ungraded. Across the 2 printings we track, copies run anywhere from $8.00 to $202.48 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $61.01, roughly 5.1x the raw price, while a PSA 9 sits near $28.00. 351 copies have been graded to date, and 38% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Gym Challenge?Full master set guide — every card, chase list, and completion cost→

Other printings of Koga's Muk 1

Koga's Muk #promo Challenge from the Darkness (Japanese)
Koga's Muk
Challenge from the Darkness (Japanese) · #promo