Hippopotas @ Rocky Helmet  
Ability: Sand Stream  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Earthquake  
- Slack Off  
- Stealth Rock  
- Whirlwind  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Thunder Wave  
- Whirlwind  

Clefairy @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Calm Mind  
- Thunder Wave  
- Soft-Boiled  

Foongus @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Clear Smog  
- Foul Play  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 116 HP / 252 Atk / 140 Spe  
Adamant Nature  
- Swords Dance  
- Sunsteel Strike  
- Knock Off  
- Morning Sun  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Meteor Beam  
- Recover