The 2023 Wild Card Stacked Deck Back to Back J.J. McCarthy Bryce Underwood Football trading cards are a unique and collectible set featuring two standard-sized cards of football players J.J. McCarthy and Bryce Underwood. The cards are made of durable card stock material and are original creations manufactured by Wild Card in 2023. The special back to back feature adds value and intrigue to these one-of-a-kind sports trading cards, making them a sought-after item for football fans and collectors alike.