Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Fire Punch  
- Dragon Claw  
- Dragon Dance  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 216 HP / 40 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Glare  
- Leaf Storm  
- Taunt  
- Defog  

Volcarona @ Lum Berry  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Giga Drain  
- Hidden Power [Ground]  

Kommo-o @ Kommonium Z  
Ability: Bulletproof  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Clanging Scales  
- Drain Punch  
- Flamethrower  
- Taunt  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 72 Def / 136 SpA / 52 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Ice Beam  
- Thunderbolt  
- Fleur Cannon  

Mew @ Mental Herb  
Ability: Synchronize  
EVs: 224 HP / 68 Def / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Ice Beam  
- Taunt  
- Thunder Wave