Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Photon Geyser  
- Stealth Rock  
- Heat Wave  
- Dragon Pulse  

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

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Dragon Ascent  
- V-create  
- Extreme Speed  

Arceus @ Chople Berry  
Ability: Multitype  
EVs: 40 HP / 252 Atk / 216 Spe  
Adamant Nature  
- Swords Dance  
- Extreme Speed  
- Shadow Claw  
- Facade  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Recover  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 44 Atk / 252 SpA / 56 SpD / 156 Spe  
Mild Nature  
- Rock Polish  
- Fire Blast  
- Precipice Blades  
- Dragon Pulse