Zygarde @ Choice Band  
Ability: Aura Break  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Toxic  
- Extreme Speed  
- Outrage  

Metagross-Mega @ Metagrossite  
Ability: Clear Body  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Meteor Mash  
- Zen Headbutt  
- Thunder Punch  
- Earthquake  / Hammer Arm / Bullet Punch / Stealth Rock