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Undone Seal Card List

83 cards Japan

Complete Undone Seal card list, all 83 cards with live Cardmarket prices, images, numbers and rarities.

Cardmarket prices updated September 23, 2026

Total value

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Cards

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Value per card

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About this set

Undone Seal is a Pokémon Trading Card Game expansion. It contains 83 cards across 4 rarity tiers. Below you'll find the set's most sought-after cards, a market snapshot and tips for collecting this series.

Market snapshot

Most valuable card

€85.30

Average price

€10.05

Median price

€3.41

83 of the set's 83 cards have a tracked Cardmarket price.

Prices are in euros (Cardmarket) and refreshed daily. Click any card to see its full price breakdown (trend, 7-day and 30-day averages) and graded PSA comparables.

Most sought-after cards

The highest-value cards in Undone Seal, typically the holographic, full-art and secret rares:

  1. 1 Registeel EX #072 · Holo Rare €85.30
  2. 2 Ninetales EX #018 · Holo Rare €80.82
  3. 3 Groudon EX #056 · Holo Rare €75.68
  4. 4 Regice EX #038 · Holo Rare €60.94
  5. 5 Regirock EX #055 · Holo Rare €58.44

Rarities in this set

  • Holo Rare, 27 cards
  • Uncommon, 20 cards
  • Common, 18 cards
  • Rare, 18 cards

Every Pokémon card carries a rarity symbol. From most common to rarest: Common (●), Uncommon (◆) and Rare (★), then the holographic and special rarities, Rare Holo, Ultra Rare (the "ex", "V" and "VMAX" cards), Secret Rare and full-art or rainbow cards. The higher the rarity and the smaller the print run, the more a card is worth on the market.

Collector tips

  • Check condition (centering, corners, edges, surface): a near-perfect card can be worth far more once graded PSA 9 or 10.
  • Within a set, the full-art, secret and alternate-art cards hold most of the value, prioritise those.
  • Protect valuable cards with sleeves and toploaders to preserve their condition over time.
  • Prices move constantly: track each card and your whole collection live with PixelBinder.

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