Pheromosa @ Icium Z  
Ability: Beast Boost  
EVs: 52 Atk / 252 SpA / 204 Spe  
Naive Nature  
- Substitute  
- High Jump Kick  
- Bug Buzz  
- Blizzard  

Mew @ Kee Berry  
Ability: Synchronize  
EVs: 240 HP / 16 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Reflect  
- Roost  
- Taunt  
- Seismic Toss  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 248 HP / 20 Atk / 8 Def / 232 Spe  
Jolly Nature  
- Rock Tomb  
- Flare Blitz  
- Thunder Punch  
- Roost