Hattrem @ Black Sludge / Toxic Orb
Ability: Magic Bounce  
Tera Type: Dark / Ghost / Ice
EVs: 252 Spe  
Hasty Nature  
IVs: 0 HP / 0 Atk / 0 Def / 0 SpA / 0 SpD  
- Substitute  
- Imprison  
- Heal Pulse  
- Baton Pass / Trick / Trick Room / Nuzzle / Thunder Wave