Chansey (F) @ Eviolite  
Ability: Regenerator  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Seismic Toss  
- Soft-Boiled  
- Heal Bell  
- Whirlwind  

Gengar @ Choice Specs  
Ability: Adaptability  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Sludge Bomb  
- Trick  
- Focus Blast  

Zapdos @ Heavy-Duty Boots  
Ability: Primordial Sea  
EVs: 248 HP / 204 Def / 56 Spe  
Bold Nature  
IVs: 0 Atk  
- Weather Ball  
- Thunder  
- Roost  
- Defog  

Toxapex  
Ability: Prankster  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Haze  
- Recover  
- Knock Off  
- Scald  

Umbreon @ Leftovers  
Ability: Dauntless Shield  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Foul Play  
- Recover  
- Rapid Spin  
- Knock Off  

Avalugg @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Iron Defense  
- Body Press  
- Avalanche  
- Recover