Onix @ Eviolite / Life Orb
Ability: Magic Guard  
Level: 5  
EVs: 236 Atk / 36 Def / 196 Spe  
Jolly Nature  
- Dragon Dance  
- Earthquake  
- Head Smash  
- Body Press / Stealth Rock

Onix @ Eviolite  
Ability: Water Absorb  
Level: 5  
EVs: 76 HP / 236 Atk / 196 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Rock Blast  
- Taunt / Explosion