Diancie-Mega @ Choice Specs  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Boomburst  
- Magma Storm  
- Revelation Dance  
- Extreme Speed  

Kyogre-Primal @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Revelation Dance  
- U-turn  
- Core Enforcer  
- Spectral Thief  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Thousand Waves  
- Encore  
- Volt Switch  
- Shore Up  

Chansey @ Eviolite  
Ability: Imposter  
Happiness: 55  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Shore Up  
- Anchor Shot  
- Haze  
- Defog  

Gengar-Mega @ Spooky Plate  
Ability: Normalize  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Entrainment  
- Judgment  
- Boomburst  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Scald  
- Rapid Spin  
- Quiver Dance