Polloguapo (Zapdos) @ Leftovers  
EVs: 252 SpA / 252 Spe  
Modest Nature  
- Rain Dance  
- Thunder  
- Light Screen  
- Protect  

Lord Helix (Omastar) @ Petaya Berry  
Ability: Swift Swim  
EVs: 252 HP / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Surf  
- Ice Beam  
- Hydro Pump  
- Rain Dance  

Metallian (Metagross) @ Choice Band  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Meteor Mash  
- Earthquake  
- Shadow Ball  
- Explosion  

Latios @ Lum Berry  
EVs: 16 HP / 252 SpA / 240 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Dragon Claw  
- Thunder  
- Protect