Okay so there will be some things different about the pokemon.
One: the Amaura line will get to mega evolve.
Two: some more Eevee evolution.
Drakeon, dragon type.
Brezeon, flying type.
Omeon, ghost type.
Vareon, Mystery type.
Auroreon, ice and fairy type.
Claireon, psychic and ice type.
Empatheon, psychic and fairy type.
Tsuneon, psychic and fire type.
Bladeon, steel type.
Three: Shiny Ninetales will be different.
Four: pokemon from the past will be in this story, I won't tell which ones. It's a surprise.