It has been confirmed by the Japanese magazine CoroCoro that a new Pokémon is being added into the mix.  This Pokémon comes in the form of “Magiana” and a picture of it can be seen below.  Little is known about this Pokémon, including its type among other things, but it has been officially stated that the Pokémon was ‘made by human hands’ over 500 years ago and that it will be featured in a movie alongside Volcanion.