2025-26 Upper Deck Extended Series Hockey Blaster Box: what's inside

What's in a 2025-26 Upper Deck Extended Series Hockey blaster box

• Two Young Guns or 1st Round Rookies cards per box on average. [1]
• One Green Dazzlers card per box on average. [1]

• Extended Series closes out the 2025-26 Upper Deck base set with its final 250 cards: 200 veterans and 50 Young Guns and 1st Round Rookies cards.
• Young Guns run from card 701 to 740, with 740 a checklist, and a 1st Round Rookies subset of ten first-round picks fills cards 741 to 750.
• New UD Debut Game Jersey cards hold a swatch from the player's first NHL game; signed versions are numbered to the player's jersey number, and a Black version is a one-of-one.
• Clear Cut parallels are found only in hobby product; other base parallels include Deluxe numbered to 250, Exclusives numbered to 100, Outburst Red numbered to 25, High Gloss numbered to 10 and Outburst Gold one-of-ones.

Details

4 packs of 12 cards, 48 cards in all, per Upper Deck's own page. Released June 17, 2026, as reported by checklistinsider.com.

• Hobby Box12 x 12
• Blaster Box (this box)4 x 12

1. Beckett Senneckeon eBayUpper Deck Extended Series #701on eBayCard guide →
2. BCBerkly Cattonon eBayUpper Deck Extended Series #712on eBayCard guide →
3. Ryan Leonardon eBayUpper Deck Extended Series #745on eBayCard guide →
4. ZBZeev Buiumon eBayUpper Deck Extended Series #707on eBayCard guide →