Steam Siege Card Prices & Complete Card List

Browse all 116 cards from the Steam Siege Pokémon TCG set (xy11), released 2016-08-03. Track real-time market prices, PSA grading populations, gem rates, and investment data for every card. This set is ranked #15 of 16 in the XY series by top-20 card value ($91).

What are the most valuable cards from Steam Siege?

1. M Gardevoir-EX (#112) — $40.99
2. Azumarill [Reverse Foil] (#77) — $12.52
3. M Steelix-EX (#68) — $8.31
4. Yveltal BREAK (#66) — $5.99
5. Nidoking [Reverse Foil] (#45) — $4.75

How does Steam Siege rank in the XY series?

Out of 16 sets in the XY series, Steam Siege ranks #15 by the combined market value of its 20 most expensive cards, with a top-20 basket worth $91. See the full XY series ranking.

Last updated: 2026-05-20T20:48:10.967Z