Undone Seal
#12 · 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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Live listings · Sorted by price
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HP
70
Type
Pokémon
Stage
Stage 1
Evolves from
["Surskit"]
Attacks
Whirlwind
20
Your opponent switches the Defending Pokémon with 1 of his or her Benched Pokémon.
Silver Wind
30
During your next turn, if an attack does damage to the Defending Pokémon (after applying Weakness and Resistance), that attack does 30 more damage.
Weakness
Illustrated by
Toshinao Aoki
Pokédex
#284
A PSA 10 (Gem Mint) copy of Masquerain #12 sells for $100.39.
| Condition | Market | eBay Sold |
|---|---|---|
Near Mint | — | $93.50 |
Lightly Played | — | — |
Moderately Played | — | — |
Heavily Played | — | — |
Damaged | — | — |
~ estimated from NM using standard condition discounts · updated when marketplace data is available
Ungraded + PSA / CGC / BGS grades
| Condition | Market | eBay |
|---|---|---|
| Near MintMost common | — | $93.50 |
| Lightly Played | — | — |
| Moderately Played | — | — |
| Heavily Played | — | — |
| Damaged | — | — |
Graded Prices
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| ★ 10 | $100.39 | — | — |
| 9 | $44.19 | $7.00 | — |
| 7 | $8.00 | — | — |
Live market prices · ~ estimated using standard condition discounts
Masquerain
Beat of the Frontier
0.0%14d
Masquerain
Celestial Storm
-11.5%14d
Masquerain
Clash of the Blue Sky
Masquerain
Collection Moon
0.0%14d
Masquerain
Deoxys
+18.9%14d
Masquerain
Future Flash
0.0%14d
Masquerain
Hidden Legends
+1.6%14d
Masquerain
Holon Phantoms
+1.1%14d
Masquerain
Megalo Cannon
Masquerain
Mysterious Treasures
+12.9%14d
Tap a grade to see its price history
