Dugtrio @ Choice Scarf  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Pursuit  
- Stone Edge  

Dugtrio @ Focus Sash  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Reversal  
- Stone Edge  
- Memento  

Dugtrio @ Groundium Z  
Ability: Arena Trap  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Earthquake  
- Screech  
- Toxic  
- Stone Edge