The 2025-26 Upper Deck Series 1 trading card set features NHL players like Nathan MacKinnon and Matthew Tkachuk, with a parallel variety specifically for the holiday season. Manufactured by Upper Deck, these cards are part of the base set and showcase players from teams such as the Florida Panthers and Colorado Avalanche. With a card number of 200, this set is a must-have for ice hockey fans looking to add unique and collectible cards to their collection for the 2025-26 season.