Reflection Call (Gholdengo) @ Air Balloon  
Ability: Primordial Sea  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Steam Eruption  
- Infernal Parade  
- Spikes  
- Strength Sap  

Looper (Groudon-Primal) @ Covert Cloak  
Ability: Serene Grace  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Sacred Fire  
- Shift Gear  
- Mortal Spin  
- Triple Arrows  

Hinamizama Virus (Eternatus) @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Energy  
- Malignant Chain  
- Torch Song  
- Strength Sap  

Stalker Oni (Blissey) (F) @ Covert Cloak  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Topsy-Turvy  
- Wish  
- Parting Shot  
- Tidy Up  

Die the Death (Yveltal) @ Heavy-Duty Boots  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Knock Off  
- Glare  
- Encore  
- Shore Up  

The Sea is Blue (Arceus-Water) @ Splash Plate  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Clear Smog  
- Take Heart  
- Synthesis