Zygarde-Complete @ Choice Scarf  
Ability: Scrappy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Final Gambit  
- Rapid Spin  
- Stealth Rock  
- U-turn  

Zamazenta-Crowned @ Sitrus Berry  
Ability: Unburden  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Belly Drum  
- Close Combat  
- Glacial Lance  
- Sunsteel Strike  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shift Gear  
- Baneful Bunker  
- Facade  
- Precipice Blades  

Xerneas @ Metronome  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Boomburst  
- Extreme Speed  
- Spectral Thief  
- Imprison  

Giratina @ Choice Scarf  
Ability: Scrappy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Final Gambit  
- Spectral Thief  
- Trick  
- U-turn  

Mewtwo @ Shed Shell  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Mild Nature  
- Imprison  
- No Retreat  
- Spectral Thief  
- Stored Power