Question 1

What is the current market value of Muk #31?

Accepted Answer

Latest market snapshots place Muk in HS—Undaunted at roughly $0.53. Price action is stable over 7 days, moving only 0.0%. That is close to the 30-day average of $0.53. In the past 90 days, observed prices ranged from $0.47 to $0.56 (17% spread), a low-volatility profile. This version is categorized as Uncommon.

Question 2

Is Muk #31 a good investment or collectible?

Accepted Answer

Collector-focused market read: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. Observed 90-day bounds of $0.47 and $0.56 create a 17% band, matching a low-volatility profile. Current value remains close to its 30-day mean ($0.53). Available graded data shows PSA 9 at $40.00, which is +7447% versus raw pricing.

Question 3

What is Muk #31 and what makes it special?

Accepted Answer

Muk is a HS—Undaunted card from the 2010 release window. Card flavor text reads: "Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest." Core profile: Its card type is Pokémon. The rarity label is Uncommon. Printed HP is 100. Energy typing is Psychic. Muk evolves from Grimer. Notable move text references "Sludge Drag" and "Pester". The card has a weakness to Psychic. It requires 3 energy to retreat. Uncommon-tier prints usually balance accessibility with moderate collector demand.

Question 4

What are the alternative Muk cards available?

Accepted Answer

Muk sits within a broader pool of Muk variants that can be compared by set, rarity, and price. This comparison sample includes 6 alternatives across 6 sets. Comparable prices currently cover $0.11-$0.61, a 455% band. Against the sample mean of $0.25, this card is +108%. Notable alternatives include Muk #56 (Secret Wonders) at $0.61, Muk #89 (151) at $0.16, Muk #127 (Scarlet & Violet) at $0.12, and Muk #85 (Brilliant Stars) at $0.11.

Question 5

What set is Muk #31 from, and when was it released?

Accepted Answer

Release year for HS—Undaunted is 2010. It belongs to the HeartGold & SoulSilver series. Set size is 91 cards, which categorizes HS—Undaunted as mid-size. As of 2026, the set is 16 years old and fits a legacy-era profile. In the HS—Undaunted checklist, Muk occupies position #31 as a Uncommon card.

Muk #31

Price history

All Muk cards

Card details

Attacks