Head to a participating GameStop store (or EB Games in Canada) to pick up a code for Genesect
This week, The Official Pokémon Channel published promo for the November entry in the year's 20th anniversary give-aways. The second-to-last Mythical Pokémon you can get is the amazing Genesect, which first appeared in the Unova region. Head to a participating GameStop store (or EB Games in Canada) to pick up a code for Genesect. Then, once you get the Mythical Pokémon, collect the Drives that change the type of its Techno Blast move in Pokémon Omega Ruby and Pokémon Alpha Sapphire by talking to a character in Mauville City.
Get Genesect at participating GameStop stores beginning November 1, 2016. Visit GameStop to pick up a code that will unlock Genesect for your Pokémon Omega Ruby, Pokémon Alpha Sapphire, Pokémon X, or Pokémon Y game. Be sure to redeem your code in your game by February 28, 2017.
See more at http://www.pokemon20.com/en-us/mythical.html#nov