Undone Seal
#27 · 2004 · 83 cards
Market Price · Near Mint · Updated August 10, 2026
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Prices updated Aug 10, 2026
Recent market data · NM
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HP
70
Type
Pokémon
Stage
Basic
Evolves from
[]
Ability
Temperamental Weather
Once during your turn (before your attack), you may search your deck for Castform, Rain Castform, or Sunny Castform and switch it with Snow-cloud Castform. (Any cards attached to Snow-cloud Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Snow-cloud Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Attacks
Flurries
Flip a coin. If heads, the Defending Pokémon is now Paralyzed. If tails, the Defending Pokémon is now Asleep.
White Snow
50+
If Magnetic Storm is in play, this attack does 50 damage plus 20 more damage.
Weakness
Retreat Cost
Illustrated by
Sumiyoshi Kizuki
Pokédex
#351
A PSA 10 (Gem Mint) copy of Snow-cloud Castform #27 sells for $86.00.
Ungraded + PSA / CGC / BGS grades
| Condition | Market |
|---|---|
| Near MintMost common | — |
| Lightly Played | — |
| Moderately Played | — |
| Heavily Played | — |
| Damaged | — |
Graded Prices
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| ★ 10 | $86.00 | — | — |
Live market prices · ~ estimated using standard condition discounts
Tap a grade to see its price history
