Koga's Muk

Gym Challenge · #26/132 · Rare · 2000

$16.15
1st Edition · Market price ▲ 2.3% (30d)
Prices as of Jul 27, 2026
Unlimited1st Edition
HP 80GrassStage 1Art · Ken Sugimori
475graded pop
32%gem rate
3.8×PSA 10 vs raw
-33%off ATH $15.51 · Jul 2026
−$9.83EV to grade — don't

Printings & price history

1st Edition▲ 0.0% 7d$16.15
Low $12.57Mid $18.76

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Graded values

updated 2026-07-27
Grade 6 est.$14.80
Grade 5 est.$12.46
Grade 4 est.$10.28
Grade 3 est.$8.57
Grade 2 est.$7.01
Grade 1 est.$5.92

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$201.50

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

Graded population census · updated 2026-07-07

PSA351 graded · 133 gem 10
CGC124 graded · 18 gem 10

Population data from PriceCharting, updated monthly.

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 $12.18 ungraded. Across the 2 printings we track, copies run anywhere from $7.50 to $202.80 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $201.50, roughly 16.5x the raw price, while a PSA 9 sits near $42.50. 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.