The 2021 Game of Thrones The Iron Anniversary Series 1 Conan Stevens Auto trading card is a rare and highly sought-after collectible for fans of the popular TV show. This single-insert card features an autograph from Conan Stevens, who portrayed the character Gregor Clegane in Season 1. Manufactured by Rittenhouse, this original non-sport trading card is a valuable addition to any Game of Thrones memorabilia collection, capturing a significant moment in the series' history. Listed With Mascot.