Eternatus @ Black Sludge  
Ability: Pressure  
Level: 50  
EVs: 252 HP / 4 Def / 36 SpA / 164 SpD / 52 Spe  
Modest Nature  
IVs: 0 Atk  
- Mystical Fire  
- Toxic  
- Dynamax Cannon  
- Recover  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Level: 50  
EVs: 252 HP / 4 Atk / 172 Def / 20 SpD / 60 Spe  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Substitute  
- Recover  

Celesteela @ Leftovers  
Ability: Beast Boost  
Level: 50  
EVs: 244 HP / 252 Def / 12 Spe  
Impish Nature  
IVs: 0 Atk  
- Flamethrower  
- Leech Seed  
- Substitute  
- Protect  

Tyranitar @ Chesto Berry  
Ability: Sand Stream  
Level: 50  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Foul Play  
- Rest  
- Rock Blast  
- Stealth Rock  

Ditto @ Choice Scarf  
Ability: Imposter  
Level: 50  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 30 Atk / 0 Spe  
- Transform  

Seismitoad @ Life Orb  
Ability: Swift Swim  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Liquidation  
- Earthquake  
- Power Whip  
- Rock Tomb