Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 248 HP / 76 Atk / 96 SpD / 88 Spe  
Adamant Nature  
- Flame Charge  
- Flare Blitz  
- Outrage  
- Endure  

Serperior @ Assault Vest  
Ability: Contrary  
EVs: 248 HP / 24 Def / 36 SpA / 32 SpD / 168 Spe  
Timid Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Leaf Storm  
- Mirror Coat  
- Dragon Pulse  
- Hidden Power [Ground]  

Deoxys-Speed @ Leftovers  
Ability: Pressure  
EVs: 240 HP / 120 SpD / 148 Spe  
Timid Nature  
- Protect  
- Substitute  
- Taunt  
- Recover