Calyrex-Shadow @ Ghostium Z  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Nasty Plot  
- Substitute  
- Pollen Puff  

Marshadow @ Expert Belt  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Pursuit  
- Shadow Sneak  
- Spectral Thief  
- Bulk Up  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Lonely Nature  
- Dragon Ascent  
- V-create  
- Draco Meteor  
- Scale Shot  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stone Edge  
- Precipice Blades  
- Swords Dance  
- Rest  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Judgment  
- Refresh  
- Recover  

Pheromosa @ Focus Sash  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Triple Axel  
- Lunge  
- Rapid Spin  
- Close Combat