2024/25 Upper Deck Series 1 Hockey Blaster Product Configuration: 12 cards per pack, 4 packs per box Series 1 sports the first 250 cards of the 2024-25 Upper Deck Base Set. Annually, the Upper Deck Base Set is the most widely-collected Base Set in hockey. It includes 198 veteran cards, 49 Young Guns rookie cards and three checklist cards. The iconic Young Guns are the most anticipated rookie cards of the season. Collect one (1) Young Guns card per box, on average! Keep an eye out for stunning Outburst Silver parallels of the complete Base Set!