The 2025-26 Upper Deck Extended Series Rookie Update Matthew Schaefer #RU-22 RC is a standard-sized sports trading card featuring the rookie player Matthew Schaefer from the New York Islanders in the National Hockey League (NHL). Manufactured by Upper Deck in 2026, this original card is made of card stock and is part of the Rookie Update insert set. With the language in English, this collectible item is perfect for fans of ice hockey looking to add a unique piece to their memorabilia collection.