Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 4 Spe  
- Transform  

Articuno @ Choice Band  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Triple Axel  
- Brave Bird  
- Rock Smash  
- Roost  

Hattrem (F) @ Eviolite  
Ability: Magic Bounce  
EVs: 252 HP / 244 Def / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Psychic  
- Dazzling Gleam  
- Rest  
- Sleep Talk  

Quagsire @ Heavy-Duty Boots  
Ability: Unaware  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Curse  
- Earthquake  
- Ice Punch  
- Recover  

Audino @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- Wish  
- Protect  
- Heal Bell  

Coalossal @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Rock Blast  
- Flamethrower  
- Rapid Spin  
- Spikes