If you missed the chance to grab the mythical Pokemon Genesect late last year for Pokémon Omega Ruby, Pokémon Alpha Sapphire, Pokémon X, or Pokémon Y. You may now get your second chance to get it!
For a limited time only, players who have copies of the mentioned games can put in the code GENESECT20 in the game’s mystery gift feature.
The code is valid through February 28, 2017. You can head to this link for more details.