Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Boomburst  
- Extreme Speed  
- Pyro Ball  
- Steam Eruption  

Arceus-Ghost @ Spooky Plate  
Ability: Normalize  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Entrainment  
- Judgment  
- Take Heart  
- Thunder Cage  

Zamazenta @ Ability Shield  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Mortal Spin  
- Triple Arrows  
- Strength Sap  
- Knock Off  

Kyogre-Primal @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Take Heart  
- Rapid Spin  
- Burning Bulwark  
- Revelation Dance  

Eternatus @ Black Sludge  
Ability: Earth Eater  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sticky Web  
- Dragon Energy  
- Torch Song  
- Strength Sap  

Celesteela @ Covert Cloak  
Ability: Primordial Sea  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Scald  
- Salt Cure  
- Shore Up  
- Teleport