Fraxure @ Choice Band  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Outrage  
- First Impression  
- Superpower  
- Scale Shot / Poison Jab

Fraxure @ Eviolite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant or Jolly Nature  
- Swords Dance / Dragon Dance  
- Scale Shot / Outrage  
- Poison Jab
- Superpower / Stomping Tantrum

Other options: Swords Dance+Taunt, Lum Berry, Dragon Claw, First Impression on SD