Arceus @ Normalium Z  
Ability: Multitype  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Swords Dance  
- Refresh  
- Extreme Speed  
- Shadow Claw  

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

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 SpA / 252 SpD  
Sassy Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Dragon Tail  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Will-O-Wisp  
- Ice Beam  
- Recover  

Arceus-Steel @ Iron Plate  
Ability: Multitype  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Earth Power  
- Recover  

Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Dragon Ascent  
- Draco Meteor  
- V-create  
- Earthquake