Eternatus @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Energy  
- Sludge Bomb  
- Volt Switch  
- Stealth Rock  

Darmanitan-Zen @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Ice Beam  
- Nuzzle  
- Leech Seed  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Quiver Dance  
- Moonblast  
- Knock Off  
- Strength Sap  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Skill Swap  
- Haze  
- Perish Song  
- Recover  

Zamazenta-Crowned @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Low Kick  
- Spikes  
- Recover  

Zygarde-Complete @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 156 Spe  
Sassy Nature  
- Core Enforcer  
- Thousand Waves  
- Volt Switch  
- Recover