Pokemon TCG XY Steam Siege Booster Pack front view factory sealed
The Pokemon Company

Pokemon TCG XY Steam Siege Booster Pack

★ ★ ★ ★ ★
(125 reviews)
$39.99
Only 1 left in stock – order soon!
100% Authentic
100% Authentic
Secure Payment
Secure Payment
Fast Shipping
Fast Shipping
× Zoomed product image
Order · Reviews · FAQ
Description toggle

Pokemon TCG XY Steam Siege Booster Pack

The Pokemon TCG XY Steam Siege booster pack comes from the eleventh expansion in the XY Series, released in August 2016. The set is known for its gold-border Secret Rare cards, including Gardevoir EX and Volcanion EX. Available sealed at Alcosta Shop, your source for curated Pokemon, One Piece, and trading card collectibles.

What's Included

  • 1 sealed booster pack from the XY Steam Siege expansion
  • 10 random cards per pack

Key Features

  • Eleventh main expansion of the XY Series
  • Chance at gold-border Secret Rares: Gardevoir EX and Volcanion EX
  • Factory sealed and unopened
  • 100% authentic, sourced from official Pokemon Company product

Specifications

Brand The Pokemon Company
Set XY Steam Siege
Release Date August 2016
Cards Per Pack 10
Condition Brand new, factory sealed

Frequently Asked Questions

  • What chase cards does this set have? Gold-border Secret Rare Gardevoir EX and Volcanion EX.
  • When was this set released? August 2016.
  • Is this factory sealed? Yes, sold factory sealed and authentic.
  • Is this 100% authentic? Yes, sourced from official Pokemon Company product.
  • How long does shipping take? Orders ship promptly after purchase; see our shipping policy for exact delivery windows.

All products at Alcosta Shop are 100% authentic and sold brand new in the original packaging. We curate, connect, and deliver with purpose.

ORDER PROCESSING toggle
01
ORDER PLACED
You'll get an instant confirmation by email with your order number.
02
VERIFIED
Every item is checked for authenticity and condition before packing.
03
PROCESSING
Packed and handed to courier within 1–2 business days.
04
SHIPPED
Tracking is emailed the moment your order leaves our facility.
05
DELIVERED
Arrives in 3–6 days, fully tracked and insured to your door.
REVIEWS toggle
Return & Refund Policy toggle

Refund & Returns

Orders can be cancelled for a full refund only until order shipped, all sales are final. Refunds only for (order defective, incorrect, or damaged) with proof within 15 days of delivery. Items must be unused, in original packaging, and undamaged.

For full details, see our Refund Policy.
Shipping Policy toggle

Shipping (US only)

All orders are processed within 1–3 business days and shipped (5–8 business days) across US, rates are calculated at checkout based on weight and destination. Local customers can also choose free In-Store pickup at 1389 N Broadway, Walnut Creek CA 94596, orders typically ready within an hour. Once your order ships, you'll receive a tracking email.

For full details, see our Shipping Policy.
Only 1 total units left

Pokemon TCG XY Steam Siege Booster Pack

Add to Cart $39.99
⚠️ Low stock: 1 total units remaining across 1 variants 1 total variants | 1 with stock | 1 tracked