PokeBeach confirmed a fresh Pokémon Trading Card Game set titled Delta Reign for arrival in November 2026. PokeBeach posted the full product range during the official reveal. News outlets Polygon and ICv2 additionally covered the release of the set. Polygon noted that the Pokémon TCG Delta Reign set features Rayquaza this November.

ICv2 headlined the new Pokémon TCG expansion announcement during Manga Week - Fall 2026. On August 20, 2026, Joseph Writer Anderson shared the complete Pokémon Delta Reign set list for the next set.