Arceus @ Chople Berry  
Ability: Multitype  
EVs: 88 HP / 252 Atk / 168 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Ice Beam  
- Shadow Claw  

Marshadow @ Marshadium Z  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Close Combat  
- Shadow Sneak  
- Spectral Thief  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 36 HP / 252 Atk / 220 Spe  
Adamant Nature  
- Autotomize  
- Photon Geyser  
- Earthquake  
- Sunsteel Strike  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Toxic  

Yveltal @ Charti Berry  
Ability: Dark Aura  
EVs: 96 HP / 252 Def / 160 Spe  
Impish Nature  
IVs: 0 Atk  
- Substitute  
- Taunt  
- Roost  
- Foul Play  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Aromatherapy  
- Endeavor