Rayquaza-Mega @ Choice Scarf  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Extreme Speed  
- Dragon Claw  
- Dragon Ascent  

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

Tapu Koko @ Life Orb  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Thunderbolt  
- Nature's Madness  
- Dazzling Gleam  

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

Necrozma-Dusk-Mane @ Solganium Z  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Photon Geyser  
- Sunsteel Strike  
- Toxic  
- Protect  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Coil  
- Thousand Arrows  
- Protect  
- Substitute