Nihilego @ Black Sludge  
Ability: Beast Boost  
EVs: 80 Def / 176 SpA / 252 Spe  
Timid Nature  
- Stealth Rock  
- Power Gem  
- Sludge Bomb  
- Grass Knot / Knock Off  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 80 Def / 176 SpA / 252 Spe  
Timid Nature  
- Meteor Beam  
- Sludge Wave  
- Thunderbolt / Power Gem  
- Grass Knot