Greninja-Ash @ Choice Specs  
Ability: Battle Bond  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Dark Pulse  
- Hydro Pump  
- Water Shuriken  
- Spikes

Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Hidden Power [Fire]  
- Earthquake  
- Roost