Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Glare  
- Spiky Shield  
- Rapid Spin  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Shore Up  
- Spikes  
- Destiny Bond  

Kyogre-Primal @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Shore Up  
- Knock Off  
- Topsy-Turvy  

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

Giratina @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
IVs: 0 Atk  
- Core Enforcer  
- Shore Up  
- Topsy-Turvy  
- Teleport  

Mewtwo-Mega-Y @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Earth Power  
- Seed Flare  
- Psychic