AUTHENTIC
ARC SPORTSCARDS
Pokémon XY Steam Siege Booster Box
Every card is genuine and verified.
Collector-grade packing standards.
Encrypted U.S. checkout.
30-day hassle-free returns.
Configuration: 36 Packs Per Box, 10 Cards Per Pack
Step back into the XY era with the legendary Pokémon XY Steam Siege Booster Box, one of the most unique and underrated releases in the Pokémon TCG.
Steam Siege delivers a powerful mix of dual-type Pokémon, Mega Evolutions, BREAK cards, and fan-favorite Mythical Pokémon, creating a set packed with nostalgia, strategy, and collector appeal. Featuring iconic cards such as Volcanion-EX, Gardevoir-EX, Steelix-EX, and the stunning secret rare Pokémon and Trainer cards, this set remains a favorite among sealed collectors and longtime fans of the XY generation.
Each booster box contains 36 booster packs loaded with opportunities to pull holographics, ultra rares, full arts, BREAK cards, and secret rares from a diverse and memorable card list. The set’s distinctive Steel and Fire theme gives Steam Siege a look and feel unlike any other release from the XY era.
Whether you are chasing vintage XY-era hits, building your sealed collection, or opening packs for the thrill of the hunt, the XY Steam Siege Booster Box offers a classic Pokémon opening experience with strong nostalgia and long-term collectible appeal.
Product specifications
Tags
Collector notes
- Sealed product contents are randomized by the manufacturer.
- Factory print and packaging variation can occur and is not automatically a defect.
- We do not guarantee specific pulls, autographs, or future card values.
- Store sealed product in a cool, dry place away from direct sunlight.
What you can expect
We source genuine product and pack it for collector-grade delivery.
U.S. shipping with tracking after your order leaves our facility.
Questions? Email contact@packstcg.com with your order number.
Delivery timeline
Shipping
- Ships within the United States with tracking after dispatch
- Orders placed on weekends/holidays ship the next business day
- Remote areas may take slightly longer
Returns
- 30-day return window from delivery on eligible items
- No restocking fees on approved returns
- Damaged or incorrect items: email photos + order number to contact@packstcg.com
- Opened sealed product may not be returnable unless defective — see full policy
Full details: Shipping Policy · Refund & Returns
