Red Rock Riviera (Groudon) @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Thousand Waves  
- Glare  
- Shore Up  
- Haze  

Kyogre @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Scald  
- Ice Beam  
- Spikes  
- Spiky Shield  

Zamazenta-Crowned @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Knock Off  
- Topsy-Turvy  
- Shore Up  

Giratina @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Core Enforcer  
- Shore Up  
- Teleport  
- Stealth Rock  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Moonblast  
- Rapid Spin  
- Strength Sap  
- Quiver Dance  

Eternatus @ Black Sludge  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Core Enforcer  
- Sludge Bomb  
- Trick  
- Recover