Muk #31/90
Pokemon card from Undaunted · released 2010-08-18
Muk is a Uncommon Psychic-type Stage 1 Pokemon card, number 31/90 of the Undaunted set (released 2010-08-18), illustrated by Midori Harada. Its highest TCGplayer market price is ~$6.38 for the Reverse Holofoil finish, updated 2026-08-22.
Prices by finish
| Finish | Market price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | $0.61 | $0.14 | $0.49 | TCGplayer ↗ |
| Reverse Holofoil | $6.38 | $2.50 | $3.74 | TCGplayer ↗ |
TCGplayer market prices per finish, updated 2026-08-22 — not appraisals. Condition and grading change real-world value.
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Card details
| Set | Undaunted |
| Number | 31/90 |
| Rarity | Uncommon |
| Type | Psychic |
| HP | 100 |
| Stage | Stage 1 — evolves from Grimer |
| Artist | Midori Harada |
| Format legality | Not legal in Standard or Expanded |
| Finishes | Normal · Reverse Holofoil |
Attacks & abilities
Sludge DragSwitch the Defending Pokémon with 1 of your opponent’s Benched Pokémon. The new Defending Pokémon is now Confused and Poisoned.
Pester50+If the Defending Pokémon is affected by a Special Condition, this attack does 50 damage plus 30 more damage.
Weakness: Psychic ×2 · Retreat cost: 3
Other Muk printings
More Undaunted cards
All Muk cards · Undaunted price list
Card data via TCGdex and pokemontcg.io, updated 2026-08-22; prices via TCGplayer via TCGCSV, updated 2026-08-22. Not official values.