Dragonite @ Dragonium Z  
Ability: Multiscale  
Tera Type: Dragon  
EVs: 156 HP / 144 Atk / 36 SpD / 172 Spe  
Adamant Nature  
- Outrage  
- Earthquake  
- Extreme Speed  
- Dragon Dance  

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  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
Tera Type: Electric  
EVs: 156 HP / 252 SpA / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Substitute  
- Charge  
- Taunt