I haven't the game yet, but this is my planned in-game team:
Meganium, Male (Quiet Nature: Magical Leaf, Body Slam, Aromatheropy, Solarbeam)
Kangaskan, Female (Adamant Nature: Mega Punch, Crunch, Outrage, Rage)
Pidgeot, Male (Adamant Nature: Wing Attack, Twister, Air Slash, Roost)
Slowbro, Male...