Corviknight @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 168 Def / 92 SpD  
Impish Nature  
- Body Press  
- Roost  
- U-turn  
- Defog  

Maybe (Kyurem) @ Heavy-Duty Boots  
Ability: Pressure  
Shiny: Yes  
EVs: 72 HP / 64 SpA / 124 SpD / 248 Spe  
Modest Nature  
IVs: 0 Atk  
- Roost  
- Substitute  
- Freeze-Dry  
- Earth Power  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Dazzling Gleam  
- Hidden Power [Ice]  
- Thunderbolt  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Toxic  
- U-turn  

Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Calm Mind  
- Roost  
- Thunderbolt  

Toxapex @ Shed Shell  
Ability: Regenerator  
EVs: 252 HP / 56 Def / 200 SpD  
Careful Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Haze  
- Recover