The Pokémon Company and Nintendo are continuing to host special distribution events for Pokémon Sword and Shield, especially in Japan. Distributions of the Mythical Pokémon Genesect, Volcanion and Marshadow have been made available in Japan as part of a special campaign in Japan as of November 20, 2020. Read on below to see a translation of the original Japanese announcement:
The “Phantom Pokemon Get Challenge” campaign will start on November 20, 2020 (Friday)! If you register the campaign code enclosed in Pokemon related products (* some products are eligible) on the site, you will receive a serial code that you can get phantom Pokemon and rare dogs with “Pokemon Sword Shield”! Collect 30 points worth of campaign codes and get all the presents!
Source: The Pokémon Company