Mystery Energy #166
Japanese Best of XY
Release Date April 21, 2017Card Number #166
Ungraded
€3.90
Grade 9
€11.38
PSA 10
€88.92
Mystery Energy #166 price guide
Current sold value for every grade.
Ungraded€3.90
Grade 9€11.38
Grade 9.5€12.46
SGC 10€53.42
CGC 10€53.42
PSA 10€88.92
BGS 10€115.74
BGS 10 Black€578.69
CGC 10 Pristine€96.15
Recent sales
Individual completed sales, newest first (Ungraded).
| 30 Sept 2026 | Mystery Energy (Mirror Holofoil) SM: The Best of XY 166/171 NM Japanese Pokemon Japanese 166/171eBay | €4.44 |
| 16 Sept 2026 | Mystery Energy - 166/171 - The Best of XY - Japanese - Pokemon Card JapaneseeBay | €3.36 |
| 11 May 2026 | Mystery Energy 166 NEAR MINT The Best of XY 171 Pokemon Japanese Japanese 166/171eBay | €2.66 |
| 28 Apr 2026 | Mystery Energy 166/171 The Best of XY LP Unlimited Japanese Pokemon Card TCG Japanese 166/171eBay | €2.74 |
| 9 Mar 2026 | Mystery Energy 166/171 Reverse Holo The Best of XY Pokemon Japanese Near Mint Japanese 166/171eBay | €16.91 |
| 22 Aug 2025 | Mystery Energy 166/171 Best of XY Japanese Pokemon Card NMeBay | €2.31 |
| 20 Aug 2025 | [LP] Mystery Energy 166/171 Holo Japanese The Best of XY Pokemon JapaneseeBay | €2.80 |
| 26 Jun 2025 | MP Pokemon Card Japanese Mystery Energy 166/171 ( THE BEST OF XY ) Japanese 166/171eBay | €1.56 |
| 31 May 2023 | Mystery Energy - 166/171 - The Best of XY - Japanese - Pokemon CardeBay | €3.67 |
How much is Mystery Energy #166 (Japanese Best of XY) worth?
Right now an ungraded copy of Mystery Energy #166 from Japanese Best of XY sells for about €3.90, a PSA 9 for about €11.38 and a PSA 10 for about €88.92. These values are based on 19 recent completed sales, the latest on 30 Sept 2026. Prices are converted from US dollars to euros and updated every few hours.
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