Calyrex-Shadow @ Buginium Z  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Nasty Plot  
- Pollen Puff  
- Astral Barrage  

Tyranitar-Mega (M) @ Tyranitarite  
Ability: Sand Stream  
Shiny: Yes  
EVs: 128 Def / 252 SpD / 128 Spe  
Careful Nature  
- Pursuit  
- Thunder Wave  
- Stealth Rock  
- Rock Tomb  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Shiny: Yes  
EVs: 128 Atk / 252 Def / 128 SpD  
Adamant Nature  
- Defog  
- Thunder Wave  
- Sacred Fire  
- Roost  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Close Combat  
- Play Rough  
- Wild Charge  

Yavetall (Yveltal) @ Life Orb  
Ability: Dark Aura  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Serious Nature  
- Oblivion Wing  
- Dark Pulse  
- Heat Wave  
- Sucker Punch  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Atk / 252 Spe  
Hasty Nature  
IVs: 30 Atk  
- Transform