Hydreigon @ Toxic Orb / Black Sludge
Ability: Levitate  
Tera Type: Ghost / Ice
EVs: 252 Spe  
Timid / Hasty Nature  
IVs: 2 HP / 0 Atk / 0 Def / 0 SpA / 0 SpD  
- Substitute  
- Taunt  
- Thunder Wave / Tailwind
- Roar / Tailwind / Stealth Rock