The Francis Ngannou and Joel Embiid card is a collectible because it features two of the biggest stars in combat sports and basketball respectively on one card. It is also a limited-edition collectible, with only 5,000 being made. Fans of both sports, as well as collectors and investors, will be drawn to this unique piece from Upper Deck. It is an interesting, confident, and friendly piece that celebrates two of the most exciting athletes in the world today.