Crustle @ White Herb  
Ability: Sturdy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Shell Smash  
- X-Scissor  
- Rock Blast / Stone Edge
- Earthquake  

Crustle @ Focus Sash  
Ability: Weak Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Spikes  
- Knock Off
- Rock Blast  
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Optional Move(s): 
- Counter
- Toxic
Optional Item(s): 
- Leftovers
- Rockium Z
- Mental Herb
Optional Ability:  
- N/A
Optional EV/IV(s): 
- 248 HP / 176 Def / 84 SpD (Impish)