Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Behemoth Blade  
- Close Combat  
- Wild Charge  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 164 Def / 252 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

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Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 96 HP / 216 Atk / 84 SpD / 112 Spe  
Jolly Nature  
- Behemoth Blade  
- Close Combat  
- Wild Charge  
- Assurance  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 164 Def / 252 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute