Audino-Mega @ Choice Specs  
Ability: Fairy Aura  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Quiet Nature  
- Metronome  

Altaria-Mega @ Choice Band  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Brave Nature  
- Metronome