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

Nihilego @ Black Sludge  
Ability: Beast Boost  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Stealth Rock  
- Power Gem  
- Sludge Bomb  
- Knock Off