Gothitelle @ Leftovers  
Ability: Shadow Tag  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Charm  
- Confide  
- Taunt  
- Rest  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Hidden Power [Ice]  

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

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

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 240 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Toxic  
- Ice Beam  

Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 248 HP / 12 Atk / 76 Def / 156 SpD / 16 Spe  
Adamant Nature  
- Poison Jab  
- Recover  
- Defog  
- Will-O-Wisp