Ho-Oh @ Heavy-Duty Boots  
Ability: Desolate Land  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Nuzzle  
- Slack Off  
- Spikes  

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

Barraskewda @ Choice Band  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Fishious Rend  
- Flip Turn  
- Knock Off  
- Aqua Jet  

Xerneas @ Heavy-Duty Boots  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Boomburst  
- Rapid Spin  
- Volt Switch  
- Strength Sap  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Facade  
- Spectral Thief  
- Spiky Shield  
- Teleport  

Melmetal @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Toxic  
- Shore Up  
- Topsy-Turvy