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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 August 10, 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

€87.41

Average price

€10.03

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 €87.41
  2. 2 Ninetales EX #018 · Holo Rare €79.83
  3. 3 Groudon EX #056 · Holo Rare €71.68
  4. 4 Regice EX #038 · Holo Rare €62.09
  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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