Eternatus @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Sludge Wave  
- Earth Power  
- Fiery Wrath  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Anchor Shot  
- Soft-Boiled  
- Knock Off  
- Topsy-Turvy  

Xerneas @ Metronome  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Rapid Spin  
- Boomburst  
- Strength Sap  
- Diamond Storm  

Kyogre @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 248 Spe  
Modest Nature  
IVs: 0 Atk  
- Imprison  
- Quiver Dance  
- Core Enforcer  
- Scald  

Solgaleo @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Entrainment  
- Slack Off  
- Spectral Thief  

Zygarde-Complete @ Shed Shell  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Haze  
- Roost  
- Parting Shot  
- Gastro Acid