The 2021-22 OPC O-Pee-Chee Nathan MacKinnon Playing Card "King Of Hearts" features the Colorado Avalanche star player in the National Hockey League (NHL). This exclusive trading card, manufactured by O-Pee-Chee, is part of the 2021 Upper Deck O-Pee-Chee set and is a rare Red parallel variety. Made of card stock, this original card is a short print with unique features, making it a sought-after collectible for fans and collectors of ice hockey memorabilia.