Free Shiny Koraidon or Shiny Miraidon Pokmon In Store at GameStop 9/26 10/15

Launch your Pokmon Scarlet or Pokmon Violet game.
Select Pok Portal on the X menu.
Select Mystery Gift, then select Get with Code/Password to connect to the internet.
Enter your code.
Watch as the gift arrives in your game. (Pokmon will appear in your party or your Pokmon Boxes.)
Be sure to save your game.

https://www.pokemon.com/us/pokemon-...on-or-shiny-miraidon-at-gamestop-and-eb-games