Flittle @ Black Sludge  
Ability: Speed Boost  
Tera Type: Dark  
EVs: 252 Spe  
Naive Nature  
IVs: 0 HP / 0 Atk / 0 Def / 0 SpA / 0 SpD  
- Substitute  
- Baton Pass  
- Protect  
- Sandstorm / Trick