Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 252 HP / 232 Def / 24 Spe  
Impish Nature  
IVs: 0 Atk  
- Spikes / Stealth Rock
- Roost  
- Counter / Brave Bird / Whirlwind
- Defog / Taunt

Skarmory @ Custap Berry  
Ability: Sturdy  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Spikes  
- Taunt  
- Brave Bird