Preferably as few from Hoenn as possible, maybe Ralts (which will get turned into a Gallade instead of Gardevoir), or stuff like Shroomish which is actually useful unlike 90% of the Hoenn Dex.
Actually, I have a perverse wish for lots of Hoenn Pokémon, since then there's a guarantee no remakes will be made! :D
More seriously, I think a bigger focus on 6th gen Pokémon would be better, so I could get to know them. If not that, then some Johto and Sinnoh Pokémon along with a few Unova ones, preferably the ones who get new evos. Houndour and Murkrow would be cool.