Necrozma @ Sitrus Berry  
Ability: Prism Armor  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Photon Geyser  
- Heat Wave  
- Earth Power  
- Trick Room  

Stakataka @ Iapapa Berry  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Gyro Ball  
- Stone Edge  
- Superpower  
- Ally Switch  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- Grass Knot  
- Protect  

Amoonguss @ Iapapa Berry  
Ability: Effect Spore  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Spore  
- Rage Powder  
- Giga Drain  
- Protect  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Close Combat  
- Spectral Thief  
- Hidden Power [Ice]  
- Protect  

Celesteela @ Electric Seed  
Ability: Beast Boost  
EVs: 252 HP / 200 Atk / 56 SpD  
Adamant Nature  
- Acrobatics  
- Leech Seed  
- Wide Guard  
- Protect