![XY—Steam Siege](https://assets.pokemon.com/assets/cms2/img/trading-card-game/_symbols/expansion_symbol_38x38/xy11-expansion-symbol-38.png)
![Pokemon 1pk Blister - XY11 Steam Siege Sleeved](http://catchacard.ca/cdn/shop/products/STEAMSIEGE_600x.jpg?v=1625901679)
XY Steam Siege Sleeved Booster Pack
![XY—Steam Siege](https://assets.pokemon.com/assets/cms2/img/trading-card-game/_symbols/expansion_symbol_38x38/xy11-expansion-symbol-38.png)
Gear up for new ways to battle! Take control of Shiny Mega Gardevoir-EX to lay siege upon your enemies. Wield the dual powers of fire and water with the Mythical Steam Pokémon Volcanion. Use dual-type Pokémon to open the way to new, powerful strategies, and battle with the incredible Xerneas BREAK and Yveltal BREAK...all in the Pokémon TCG: XY—Steam Siege expansion!
The Pokémon TCG: XY—Steam Siege expansion includes:
![](https://assets.pokemon.com//assets/cms2/img/trading-card-game/series/xy_series/xy11/XY11_EN_64.png)
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Over 110 cards
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8 new dual-type Pokémon
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6 new Pokémon-EX, including two Mega Evolution Pokémon
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7 new Pokémon BREAK