Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Spikes  
- Power Whip  
- Knock Off  
- Leech Seed  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Hurricane  
- Heat Wave  
- Defog  
- U-turn  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Tapu Koko @ Heavy-Duty Boots  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Volt Switch  
- Roost  

Buzzwole @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Close Combat  
- Leech Life  
- Stone Edge  
- Roost  

Magnezone @ Air Balloon  
Ability: Magnet Pull  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Iron Defense  
- Thunderbolt  
- Steel Beam  
- Body Press