Diancie-Mega @ Diancite  
Ability: Clear Body  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Moonblast  
- Diamond Storm  
- Earth Power  
- Protect / Stealth Rock

Volcarona @ Buginium Z  
Ability: Flame Body  
EVs: 248 HP / 124 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Roost  
- Flamethrower  
- Bug Buzz