Holofile
Steam Siege Mega Gyarados Collection Box

STEAM SIEGE

Steam Siege Mega Gyarados Collection Box

Steam Siege Mega Gyarados Collection Box is a collection from Steam Siege (STS), a XY set. It has 4 booster packs inside and was released August 3, 2016. Unopened, it has a market price of $644.46 as of October 17, 2026, unchanged over 30 days.

Market price · Unopened

$644.460% in 30 days

Jul 19, 2026 · $523.00Low $523.00 · High $644.46Oct 17, 2026 · $644.46

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Type
Collection
Packs inside
4
Released
August 3, 2016

The chase cards of Steam Siege

The cards of the set worth the most today, by Near Mint market price.

All 116 cards in Steam Siege