Arceus-Poison @ Poisonium Z  
Ability: Multitype  
EVs: 252 HP / 12 Atk / 8 Def / 136 SpD / 100 Spe  
Jolly Nature  
- Poison Jab  
- Will-O-Wisp  
- Stealth Rock  
- Recover
  
Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 232 Def / 24 Spe  
Impish Nature  
- Toxic  
- Ice Beam  
- Liquidation  
- Recover  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 232 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Toxic  
- Defog  
- Recover  

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

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Gyro Ball  
- Toxic  
- Spikes  
- Leech Seed  

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