Porygon2 @ Eviolite  
Ability: Trace  
Tera Type: Normal  
EVs: 252 HP / 40 Def / 216 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Ice Beam  
- Teleport  
- Recover  

Melmetal @ Choice Band  
Ability: Iron Fist  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
IVs: 0 Atk / 0 Spe  
- Double Iron Bash  
- Superpower  
- Thunder Punch  
- Ice Punch  

Mawile @ Mawilite  
Ability: Intimidate  
Tera Type: Steel  
IVs: 0 Atk  

Hatterene (F)  
Ability: Healer  
Tera Type: Psychic