Hydreigon.
XY - Steam Siege · 86/114 · Holo Rare
updated Aug 14, 2026
updated Aug 14, 2026
Raw market value · Reverse Holofoil
$0.51.
Price by printing
Check live eBay pricesAffiliate link. Prices above are what the card actually sold for, not asking prices.Reverse Holofoilthis page$0.51
Holofoil$0.45
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The same card in other sets
What moves the price of this card
The Hydreigon on this page is the Reverse Holofoil printing from XY - Steam Siege, and it trades at $0.51 in near mint condition. The other 1 printing of the same card sits lower, which is normal: the scarcer print run always carries the premium.
Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.