Eternatus @ Light Clay  
Ability: Pressure  
EVs: 160 HP / 252 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Reflect  
- Light Screen  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 236 HP / 240 Def / 32 Spe  
Impish Nature  
- Earthquake  
- Sunsteel Strike  
- Dragon Dance  
- Morning Sun  

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

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 224 HP / 32 Atk / 252 SpD  
Adamant Nature  
IVs: 28 Spe  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 200 Atk / 252 Def / 56 Spe  
Impish Nature  
- Thousand Waves  
- Rest  
- Thousand Arrows  
- Dragon Dance