Necrozma @ Custap Berry  
Ability: Prism Armor  
EVs: 144 HP / 252 Atk / 112 Def  
Adamant Nature  
- Swords Dance  
- Iron Head  
- Endure  
- Psychic Fangs  

Ferrothorn @ Chople Berry  
Ability: Iron Barbs  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Gyro Ball  
- Power Whip  
- Leech Seed  
- Body Press  

Primarina @ Assault Vest  
Ability: Torrent  
EVs: 252 HP / 32 SpA / 224 SpD  
Modest Nature  
- Aqua Jet  
- Moonblast  
- Hydro Cannon  
- Scald