Xerneas @ Leftovers  
Ability: Pixilate  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Rapid Spin  
- Boomburst  
- Strength Sap  

Groudon @ Red Orb  
Ability: Electric Surge  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Precipice Blades  
- Poison Fang  
- Stealth Rock  
- Synthesis  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Anchor Shot  
- Spectral Thief  
- Recover  
- Lunar Dance  

Celesteela @ Rocky Helmet  
Ability: Triage  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Tail Glow  
- Oblivion Wing  
- Leech Seed  
- Earth Power  

Zygarde-Complete @ Groundium Z  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Haze  
- Encore  
- Thousand Waves  
- Shore Up  

Kyogre-Primal @ Iapapa Berry  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Spectral Thief  
- Heal Order  
- Core Enforcer  
- Scald