Volcanion @ Heavy-Duty Boots  
Ability: Water Absorb  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Overheat  
- Steam Eruption  
- Defog  
- Rest  

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

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 248 Def / 12 Spe  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Rest  
- Stone Edge  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Heat Wave  
- Hidden Power [Steel]  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Transform  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 200 Def / 60 SpD  
Impish Nature  
- Brave Bird  
- Sacred Fire  
- Toxic  
- Whirlwind