Buzzwole @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 144 Def / 112 Spe  
Impish Nature  
- Drain Punch  
- Ice Punch  
- Bulk Up  
- Roost  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Moonblast  
- Diamond Storm  
- Earth Power