Dusclops (M) @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Will-O-Wisp  
- Rest  
- Sleep Talk / Protect
- Seismic Toss / Night Shade

Dusclops @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
IVs: 0 Atk  
- Toxic / Protect
- Will-O-Wisp / Protect
- Pain Split  
- Seismic Toss / Night Shade

Dusclops @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Substitute  
- Focus Punch  
- Shadow Sneak  
- Pain Split  

not sure what a Curse one would be but I suspect not very good