The Riftbound x T1 2025 Worlds Champion Signature Edition Set features a limited edition collection of 5 Red Champion Unit cards from the Together as 1 set. These standard-sized cards showcase popular League of Legends characters such as Miss Fortune, Xin Zhao, Seraphine, Ambessa, and Galio, all illustrated by Sandon Studio. Manufactured by Riot Games in the United States, these cards are part of the 2025 edition and come with a foil finish, making them a valuable addition for collectors and fans of the game.