Tapu Koko @ Flyinium Z  
Ability: Electric Surge  
Tera Type: Electric  
EVs: 132 Atk / 180 SpD / 196 Spe  
Adamant Nature  
- Brave Bird  
- Mirror Move  
- Substitute  
- Wild Charge  

Gyarados @ Gyaradosite  
Ability: Intimidate  
Tera Type: Water  
EVs: 248 HP / 64 Atk / 100 Def / 96 Spe  
Adamant Nature  
- Dragon Dance  
- Outrage  
- Waterfall  
- Crunch  

Magearna @ Fairium Z  
Ability: Soul-Heart  
Tera Type: Steel  
EVs: 248 HP / 48 SpD / 212 Spe  
Bold Nature  
- Fleur Cannon  
- Iron Defense  
- Pain Split  
- Calm Mind