A new Nintendo Network event has already started for North America, which will distribute a Shiny Rayquaza for Pokémon Omega Ruby and Alpha Sapphire.

The Pokémon is available through "Mystery Gift > Receive Gift > Receive Via Internet" only for the aforementioned title.

The Rayquaza is level 70 with the moves Dragon Dance, Dragon Ascent, Dragon Claw, Extreme Speed and holds the Dragon Fang.

In Australia and New Zealand the Pokémon is being distributed through EB Games and the event is set to end on August 31st, while no end date has been indicated for North America as of yet.