Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Spikes  
- Taunt  
- Magic Coat  

Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Dragon Dance  
- Earthquake  
- Extreme Speed  

Arceus-Ghost @ Ghostium Z  
Ability: Multitype  
EVs: 40 HP / 252 Atk / 216 Spe  
Jolly Nature  
- Swords Dance  
- Shadow Force  
- Brick Break  
- Extreme Speed  

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

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Heat Wave  
- Taunt  

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