Kyogre @ Lum Berry  
Ability: Drizzle  
EVs: 252 HP / 168 SpA / 88 SpD  
Modest Nature  
- Hydro Pump  
- Ice Beam  
- Calm Mind  
- Thunder  

Blissey (F) @ Leftovers  
Ability: Natural Cure  
EVs: 252 Def / 252 SpA / 4 SpD  
Modest Nature  
- Thunder  
- Ice Beam  
- Soft-Boiled  
- Calm Mind  

Skarmory @ Leftovers  
Ability: Keen Eye  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Taunt  
- Toxic  
- Spikes  
- Roar  

Gengar @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- Shadow Ball  
- Will-O-Wisp  
- Destiny Bond  
- Taunt  

Latios (M) @ Soul Dew  
Ability: Levitate  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
- Thunder  
- Ice Beam  
- Recover  
- Refresh  

Rayquaza @ Choice Band  
Ability: Air Lock  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Hidden Power [Flying]  
- Earthquake  
- Overheat  
- Extreme Speed