Necrozma-Dusk-Mane @ Assault Vest  
Ability: Prism Armor  
EVs: 245 HP / 4 SpA / 252 SpD / 7 Spe  
Serious Nature  
- Earthquake  
- Sunsteel Strike  
- Photon Geyser  
- Heat Wave  

Marshadow @ Choice Scarf  
Ability: Technician  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Spectral Thief  
- Low Kick  
- Hidden Power [Ice]  
- Rock Tomb  

Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Spikes  
- Taunt  
- Skill Swap  
- Psycho Boost  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Rock Polish  
- Earthquake  
- Fire Punch  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 HP / 130 Def / 126 Spe  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Toxic  
- Ice Beam  

Rayquaza @ Electrium Z  
Ability: Air Lock  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Air Slash  
- Surf  
- Draco Meteor  
- Thunder