Pokemon TCG - XY Steam Siege Elite Trainer Box - Sealed - English

Enter the battle between Steam Pokémon and dual-type strategy with the Pokémon TCG: XY Steam Siege Elite Trainer Box. Released during the XY era, Steam Siege introduced a unique mix of powerful Pokémon-EX, Mega Evolution Pokémon, BREAK cards, and the return of dual-type Pokémon, making it one of the most distinctive expansions in the XY series.

The Steam Siege expansion is best known for featuring Volcanion EX, Mega Gardevoir EX, Steelix EX, Mega Steelix EX, Yveltal BREAK, and Xerneas BREAK. Inspired by the clash between technology and nature, Steam Siege delivered a diverse card pool that appealed to both competitive players and Pokémon collectors. Today, it remains a popular XY-era set for collectors seeking sealed Pokémon products and nostalgic Pokémon TCG collectibles.

This Elite Trainer Box includes booster packs from the Steam Siege expansion along with premium Pokémon TCG accessories designed for gameplay, collecting, and long-term display. Elite Trainer Boxes remain among the most desirable sealed Pokémon products due to their exclusive accessories, collectible packaging, and strong collector appeal.

Whether you're chasing Mega Steelix EX, collecting BREAK Evolution cards, building a sealed XY collection, or searching for an important expansion from the Pokémon-EX era, the Steam Siege Elite Trainer Box offers a fantastic combination of nostalgia, collectibility, and Pokémon TCG history.

As sealed XY-era products continue to become harder to find, Steam Siege remains a noteworthy expansion for collectors looking to preserve a piece of the Pokémon TCG's Mega Evolution era.

Possible Chase Cards From Steam Siege

• Mega Steelix EX Full Art
• Volcanion EX Secret Rare
• Steelix EX Full Art
• Gardevoir EX Full Art

Perfect For

• XY-era Pokémon collectors
• Mega Evolution Pokémon fans
• Sealed Pokémon product investors

Product Details

Product Information

• Product: Pokémon TCG Elite Trainer Box
• Set: Steam Siege
• Series: XY
• Artwork: Steam Siege Elite Trainer Box Artwork
• Edition: Standard Edition
• Condition: Factory Sealed
• Language: English
• Includes: 8 Steam Siege Booster Packs, 65 Card Sleeves, 45 Pokémon TCG Energy Cards, Player's Guide, Damage Counter Dice, Condition Markers, Collector's Box, and Code Card

Additional Verified Details

• Official Pokémon TCG XY expansion product
• Features Pokémon-EX, Mega Evolution Pokémon, and BREAK cards
• Includes dual-type Pokémon, a unique mechanic within the XY era
• Home to Volcanion EX, Mega Steelix EX, and Mega Gardevoir EX
• Includes exclusive Elite Trainer Box accessories
• Authentic factory sealed Pokémon collector product