Mysterious Mountains Unlimited (MYM) carries a total slabbed market cap of $15.7M as of Nov 13, 2026. TCGBerg tracks a fair value for 329 card and grade combinations in the set. Charizard #89 · PSA 10 anchors the set at 32.1% of its total cap.
Historical context
Released in 2002 as a JA release.
Market overview
Cap is concentrated: the largest card-grade position is 32.1% and the top 5 make up 65.5% of set cap. The set's cap-weighted fair-value confidence is very low (18/100). It has seen 33 graded sales over the trailing 30 days.
Frequently asked
What are the chase cards in Mysterious Mountains Unlimited?
Ranked by PSA 10 fair value, the most valuable Mysterious Mountains Unlimited cards on TCGBerg are Charizard #89 ($88,291.18), Celebi #91 ($27,076.91), Gengar #44 ($27,020.39), Gyarados #28 ($8,364.55) and Crobat #90 ($7,427.98). Values are model estimates from recorded sales and change as the market moves; open a card for its sales evidence and graded values.
What is included in the Mysterious Mountains Unlimited card list?
This list covers 91 catalog printings. Editions and finishes can have separate entries for the same card number. Prices appear where valuation or sales evidence is available; an unpriced entry does not mean the card is worth zero.
How do I compare Mysterious Mountains Unlimited card prices?
Match the card number, printing and condition before comparing values. Use raw condition prices for ungraded copies, and the same grading company and grade for slabs. Open a card to check the available price history, recorded sales and sales evidence.