Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Foul Play  
- Ice Beam  
- Stealth Rock  
- Rest  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Aromatherapy  
- Trick  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 240 HP / 244 SpD / 24 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Substitute  
- Recover  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
- Grass Knot  
- Knock Off  
- Earthquake  
- Sleep Powder  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 120 Def / 136 SpD / 4 Spe  
Careful Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Roar  

Melmetal @ Chople Berry  
Ability: Iron Fist  
EVs: 252 Atk / 84 Def / 172 SpD  
Adamant Nature  
IVs: 20 Spe  
- Double Iron Bash  
- Superpower  
- Thunder Punch  
- Thunder Wave