Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 240 HP / 252 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Toxic  
- King's Shield  
- Substitute  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Knock Off  
- Toxic Spikes  
- Recover  
- Haze  

Dragonite @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Body Press  
- Ice Punch  
- Roost  
- Defog  

Umbreon @ Leftovers  
Ability: Synchronize  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Heal Bell  
- Wish  
- Protect  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Seismic Toss  
- Soft-Boiled  
- Stealth Rock  

Latios (M) @ Choice Scarf  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Psychic  
- Mystical Fire  
- Trick