Blissey @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Wish  
- Protect  
- Heal Bell  
- Hyper Voice  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 176 Def / 80 SpD  
Bold Nature  
- Knock Off  
- Defog  
- U-turn  
- Sludge Bomb  

Heatran @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Recover  
- Flash Cannon  
- Freeze-Dry  

Umbreon @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Fake Out  
- Knock Off  
- U-turn  
- Poison Jab  

Nihilego @ Black Sludge  
Ability: Neutralizing Gas  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Substitute  
- Infestation  
- Taunt  

Buzzwole @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Knock Off  
- U-turn  
- Rest  
- Sleep Talk