Gothita @ Black Sludge  
Ability: Shadow Tag  
Tera Type: Dark / Ice
EVs: 252 Spe  
Naive Nature  
IVs: 0 HP / 0 Atk / 0 Def / 0 SpA / 0 SpD  
- Substitute  
- Taunt  
- Heal Pulse  
- Imprison / Trick Room / Thunder Wave