Porygon2 @ Eviolite  
Ability: Download  
Level: 50  
EVs: 252 HP / 108 Def / 148 SpD  
Relaxed Nature  
IVs: 0 Atk / 14 Spe  
- Trick Room  
- Ice Beam  
- Toxic  
- Recover

Araquanid @ Waterium Z  
Ability: Water Bubble  
Level: 50  
EVs: 252 HP / 236 Atk / 4 Def / 12 SpD / 4 Spe  
Adamant Nature  
- Liquidation  
- Bug Bite  
- Substitute  
- Protect

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
Level: 50  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Discharge  
- Protect

Tapu Bulu @ Figy Berry  
Ability: Grassy Surge  
Level: 50  
EVs: 252 HP / 92 Atk / 4 Def / 4 SpD / 156 Spe  
Adamant Nature  
- Wood Hammer  
- Hidden Power [Fire]  
- Substitute  
- Protect

Arcanine @ Mago Berry  
Ability: Intimidate  
Level: 50  
EVs: 244 HP / 92 Atk / 20 Def / 148 SpD / 4 Spe  
Adamant Nature  
- Flare Blitz  
- Extreme Speed  
- Helping Hand  
- Protect

Mudsdale @ Assault Vest  
Ability: Stamina  
Level: 50  
EVs: 252 HP / 164 Atk / 4 Def / 84 SpD / 4 Spe
Adamant Nature  
- High Horsepower  
- Heavy Slam  
- Close Combat  
- Rock Tomb