Koga's Muk
Challenge from the Darkness · #promo · Rare · 1998JPN
All 68 Muk cards ranked by value →Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-18
Population data from PriceCharting, updated monthly.
More Muk cards all 68 ranked by value →
MukAquapolis · 2003
MukThe Town on No Map · 2002
Muk & Alolan Muk-GXUnbroken Bonds · 2019
Muk exDragon · 2003
MukLegendary Collection · 2002
MukFossil · 1999How much is Koga's Muk #promo worth?
Right now (September 29, 2026) the going rate for an ungraded Koga's Muk #promo from Challenge from the Darkness is about $2.38.
Grading changes the math on this one: a PSA 10 is valued around $70.00, roughly 29.4x the raw price, while a PSA 9 sits near $30.76. 98 copies have been graded to date, and 24% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Koga's Muk has moved over time.
