Zygarde @ Weakness Policy  
Ability: Aura Break  
EVs: 240 Atk / 88 SpD / 180 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Extreme Speed  

Greninja @ Waterium Z  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Spikes  
- Hydro Pump  
- Gunk Shot  
- Hidden Power [Fire]