Severed Skyline (Ho-Oh) @ Life Orb  
Ability: Desolate Land  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shift Gear  
- V-create  
- Glacial Lance  
- Strength Sap  

Xerneas @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Boomburst  
- Rapid Spin  
- Fishious Rend  
- Strength Sap  

Zamazenta-Crowned @ Leftovers  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thunderous Kick  
- Flip Turn  
- Knock Off  
- Recover  

Zygarde-Complete @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Thousand Waves  
- Core Enforcer  
- Volt Switch  
- Recover  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Facade  
- Psycho Shift  
- Precipice Blades  

Melmetal @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Haze  
- Shore Up  
- Glare