Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 252 SpD / 8 Spe  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Roar  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 248 HP / 164 Def / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Refresh  
- Recover  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Outrage  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 28 HP / 220 Atk / 8 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Earthquake  
- Outrage  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Recover  
- Defog  
- Toxic