Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
Tera Type: Fire  
EVs: 252 HP / 144 Def / 112 Spe  
Impish Nature  
- Outrage  
- Flare Blitz  
- Will-O-Wisp  
- Dragon Dance  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
Tera Type: Electric  
EVs: 252 HP / 64 Atk / 176 SpD / 16 Spe  
Jolly Nature  
- Taunt  
- Roost  
- Charge  
- Wild Charge  

Altaria-Mega @ Altarianite  
Ability: Pixilate  
Tera Type: Dragon  
EVs: 252 HP / 160 Def / 96 Spe  
Impish Nature  
- Cotton Guard  
- Dragon Dance  
- Roost  
- Facade