Conkeldurr @ Fighting Gem  
Ability: Iron Fist  
EVs: 40 HP / 252 Atk / 216 SpD  
Adamant Nature  
- Hammer Arm  
- Stone Edge  
- Mach Punch  
- Bulk Up  

Porygon-Z @ Choice Scarf  
Ability: Adaptability  
EVs: 120 HP / 56 Def / 252 SpA / 80 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Beam  
- Trick  
- Dark Pulse  
- Icy Wind  

Volcarona @ Charti Berry  
Ability: Flame Body  
EVs: 248 HP / 216 SpA / 44 SpD  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Overheat  
- Bug Buzz  
- Substitute