Xerneas @ Groundium Z  
Ability: Soundproof  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Moonblast  
- Thousand Waves  
- Rapid Spin  
- Shore Up  

Dialga @ Ghostium Z  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Sassy Nature  
- Anchor Shot  
- Core Enforcer  
- Spectral Thief  
- Shore Up  

Tyranitar @ Tyranitarite  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- Pursuit  
- Stealth Rock  
- Shore Up  

Zygarde-Complete @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Wish  
- Thousand Waves  
- Volt Switch  
- Baneful Bunker  

Gengar-Mega @ Spooky Plate  
Ability: Speed Boost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Judgment  
- Fleur Cannon  
- Secret Sword  

Chansey (F) @ Lucky Punch  
Ability: Imposter  
Happiness: 100  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Shore Up  
- Whirlwind  
- Topsy-Turvy  
- Heal Bell