XY - Steam Siege · 2016

Steam Siege Booster Box

Booster Box Sealed +720% vs MSRP

Steam Siege Booster Box trades around $1,177.49 sealed as of July 24, 2026. Prices refresh daily from the live secondary market.

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I · Specifications

Product details

Set: XY - Steam Siege
Product type: Booster Box
Released: August 3, 2016
MSRP: $143.64implied — 36 packs × $3.99
Sealed market: $1,177.49+720% vs MSRP

Pricing last updated July 23, 2026 · Refreshed daily from the live secondary market.

II · Reference

Common questions

How much is a sealed Steam Siege Booster Box worth?

A sealed, unopened Steam Siege Booster Box has a current market price of approximately $1177.49. It originally retailed for $143.64 (MSRP), so sealed copies currently trade about 720% above retail. Prices are updated daily from publicly available secondary-market data.

When was XY - Steam Siege released?

XY - Steam Siege was released on August 3, 2016. Sealed products from the set appeared at retail around the same time.

III · From the Same Set

More sealed XY - Steam Siege

→ See all cards & sealed in XY - Steam Siege

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