Steam Siege chase cards
The 20 most valuable Steam Siege cards right now, ranked by market price. The top 3 alone make up 47% of the value of the whole set.




















Market prices for ungraded cards in USD, updated November 9, 2026.
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Questions
What is the most valuable Steam Siege card?
Gardevoir-EX (116/114, Rare Secret) at about $111 ungraded right now, followed by M Gardevoir-EX ($57.28) and Volcanion-EX ($35.95).
What are the Steam Siege chase cards?
The top chase cards by market price are Gardevoir-EX, M Gardevoir-EX, Volcanion-EX, Gardevoir-EX, M Steelix-EX. Together the top 3 make up 47% of the value of all 116 priced cards in the set.