As a special gift for those who purchase Pokémon Omega Ruby or Pokémon Alpha Sapphire shortly after launch, a special Shiny Beldum holding a Mega Stone will be available! By raising this Beldum, you will be able to evolve it all the way into a Shiny Mega Metagross! This is your chance to get a powerful Mega-Evolved Pokémon right away and in a very rare form!
Shiny Beldum will be available via Nintendo Network from November 28, 2014, through January 14, 2015. Don't miss this opportunity!
All you have to do is go to Mystery Gift and go Via Internet, I hope this helps people out.
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