Available at GameStop
May 4–27, 2018
Two Legendary Pokémon originally discovered in the Kalos region join the fun in May!
Head to a participating GameStop store from May 4–27, 2018, where you can get a code that will allow you to obtain Yveltal in Pokémon Ultra Sun or Pokémon Sun, or Xerneas in Pokémon Ultra Moon or Pokémon Moon.