Zamazenta-Crowned @ Leftovers  
Ability: Volt Absorb  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Anchor Shot  
- Topsy-Turvy  
- Electrify  

Eternatus @ Black Sludge  
Ability: Lightning Rod  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Electrify  
- Core Enforcer  
- Magma Storm  
- Sludge Bomb  

Xerneas @ Heavy-Duty Boots  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Boomburst  
- Rapid Spin  
- Strength Sap  
- Volt Switch  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Substitute  
- Quiver Dance  
- Soft-Boiled  
- Baton Pass  

Giratina @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Nuzzle  
- Worry Seed  
- Roost  
- Teleport  

Melmetal @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Nuzzle  
- Spectral Thief  
- U-turn  
- Anchor Shot