The Pokémon TCG: XY – Steam Siege Elite Trainer Box is a legacy product from 2016, now highly sought after by collectors looking to buy vintage Pokémon sealed products and rare Elite Trainer Boxes.

Inside, you’ll find 8 booster packs from the Steam Siege expansion, a set known for introducing dual-type Pokémon and Mega Evolution cards, making it a unique release within the XY era.

Unlike modern ETBs, this box reflects an earlier stage of the Pokémon TCG, with a more limited print run and lower sealed supply today—one of the key reasons why it has become a high-value collectible product in the secondary market.

The box also includes a full range of classic TCG accessories, such as sleeves, Energy cards, dice, and a collector storage box, making it both functional and display-worthy.

Today, the Steam Siege ETB is no longer just a product to open, but a collector-grade sealed item, often appreciated for its rarity and nostalgic value within the Pokémon TCG community.

What’s Inside

• 8 Pokémon TCG: XY – Steam Siege booster packs
• 65 card sleeves (Volcanion-themed)
• 45 Pokémon TCG Energy cards
• 1 player’s guide to the Steam Siege expansion
• 6 damage-counter dice
• 1 competition-legal coin-flip die
• 2 condition markers
• 1 collector’s storage box with dividers
• 1 code card for Pokémon TCG Online