Haxorus @ Choice Scarf  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Outrage  
- Close Combat  
- Poison Jab  
- Earthquake  

Magnezone @ Choice Specs  
Ability: Sturdy  
EVs: 244 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Flash Cannon  
- Thunderbolt  
- Hyper Beam  
- Mirror Coat  

Corviknight @ Sitrus Berry  
Ability: Pressure  
EVs: 248 HP / 100 Def / 80 SpD / 80 Spe  
Impish Nature  
- Iron Defense  
- Roost  
- Taunt  
- Iron Head