Steam Siege Best Cards & Chase Guide (2026)
Steam Siege is a sleeper XY-era set: small print window, an unloved release at the time, and a chase board led by Gardevoir EX cards that have quietly tripled since 2021.
Prices below were pulled from TCGplayer market data when this guide was last updated — they move daily, so every card links to its live price page.
The top 10 chase cards in Steam Siege
| Rank | Card | Rarity | Market Price |
|---|---|---|---|
| 1 | Gardevoir EX (#116) | Secret Rare | $83.31 |
| 2 | M Gardevoir EX (#112) | Ultra Rare | $47.91 |
| 3 | Volcanion EX (#115) | Secret Rare | $32.88 |
| 4 | M Steelix EX (#109) | Ultra Rare | $25.00 |
| 5 | Gardevoir EX (#111) | Ultra Rare | $20.24 |
| 6 | M Gardevoir EX (#79) | Ultra Rare | $19.94 |
| 7 | Steelix EX (#108) | Ultra Rare | $18.13 |
| 8 | M Steelix EX (#68) | Ultra Rare | $9.77 |
| 9 | Professor Sycamore (#114) | Ultra Rare | $8.84 |
| 10 | Volcanion EX (#107) | Ultra Rare | $8.36 |
Gardevoir EX
Steam Siege
$83.31
Why these cards lead the set
Gardevoir EX Secret Rare (#116) at ~$83 leads, with M Gardevoir EX (#112) behind it — Gardevoir’s collector base grew enormously after the XY era ended. Volcanion EX (#115), the set’s mascot, holds the #3 slot. XY-era secret rares had genuinely low print runs compared to Sun & Moon onward; clean copies are scarcer than the prices suggest.
Track live prices for Steam Siege
The ranking above re-sorts itself as the market moves. These pages stay current automatically:
Scanning your own pulls with Eyevo shows the same TCGplayer, Cardmarket, and eBay data per card — including the exact variant you’re holding.
FAQ
What is the most expensive card in Steam Siege?
Gardevoir EX (#116) is currently the most valuable card in Steam Siege at roughly $83.31 — see the live top-10 ranking for today’s exact number.
Should I buy packs or singles?
XY-era sealed is expensive and scarce — nobody should be ripping Steam Siege in 2026. Singles only, and condition matters more than usual: 2016 packs were rough on foils.
When was Steam Siege released?
Steam Siege released on August 3, 2016 as part of the XY era.
Check what your Steam Siege pulls are worth
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