The Marvel Studios Finding Unicorn The Infinity Saga Sketch Captain America 1/1 trading card is a highly sought after collectible featuring an autograph from the character Captain America. Authenticated by Upper Deck, this one-of-a-kind card is part of the Marvel Studios The Infinity Saga set and includes a unique sketch by artist William Allan Reyes. As a 1/1 card, it holds special significance within the Marvel franchise and is sure to be a prized possession for any fan or collector.