When was Steam Siege Prerelease Kit released?

Steam Siege Prerelease Kit was released on Aug 3, 2016, as part of Steam Siege.

What are the most valuable cards in Steam Siege?

By ungraded price, the top cards in Steam Siege are Gardevoir-EX 116/114 ($95.10), M Gardevoir-EX 112/114 ($50.00), Volcanion-EX 115/114 ($39.99).

How are sealed product prices set?

The price is TCGplayer's market price for one sealed unit, dated Oct 26, 2026. It is a single reading and is not blended with eBay listings or the StockX and Target readings, which are shown separately where we have them.

Prerelease Kit · Released Aug 3, 2016

Steam Siege Prerelease Kit price

$160

Market price, Oct 26, 2026. One sealed unit.

Steam Siege Prerelease Kit currently sells for about $160 sealed. It is a prerelease kit from Steam Siege; see that page for what every card inside is worth.

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Set: Steam Siege
Released: Aug 3, 2016
Product type: Prerelease Kit
Market price, Oct 26, 2026: $160

Daily

Price history

Jun 23Jul 24Aug 25Sep 25Oct 26

Recorded prices, joined day to day
Estimated: no price recorded for more than 14 days

Sealed, 1 year: $167 on Jun 23, 2026, $160 on Oct 26, 2026. Lowest $160, highest $167.

Now: $160
4 weeks: 0.0%
90 days: −3.7%
1 year: –
Highest, 1Y: $167
Lowest, 1Y: $160

Recorded history starts June 2026. Between recorded prices, the line and its daily values are estimated from the prices either side; it is dashed where no price was recorded for more than 14 days.

Steam Siege