Clefable-Mega @ Clefablite  
Ability: Magic Guard  
EVs: 32 HP / 19 Def / 5 SpA / 10 Spe  
Relaxed Nature  
- Moonlight  
- Calm Mind  
- Moonblast  
- Flamethrower

Umbreon @ Leftovers  
Ability: Inner Focus  
EVs: 32 HP / 2 Def / 32 SpD  
Calm Nature  
- Foul Play  
- Toxic  
- Wish  
- Protect

Toxapex @ Bright Powder  
Ability: Regenerator  
EVs: 32 HP / 29 Def / 5 SpD  
Bold Nature  
- Infestation  
- Baneful Bunker  
- Toxic  
- Sludge Bomb

Corviknight @ Sitrus Berry  
Ability: Pressure  
Level: 50  
EVs: 32 HP / 2 Def / 32 SpD  
Careful Nature  
- Iron Head  
- Iron Defense  
- Body Press  
- Roost

Aggron-Mega @ Aggronite  
Ability: Sturdy  
EVs: 32 HP / 2 Def / 32 SpD  
Careful Nature  
- Body Press  
- Iron Defense  
- Heavy Slam  
- Fire Punch