Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Photon Geyser  
- Sunsteel Strike  
- Stone Edge  

Rayquaza-Mega @ Focus Sash  
Ability: Delta Stream  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Scale Shot  
- Dragon Ascent  
- V-create  

Yveltal @ Weakness Policy  
Ability: Dark Aura  
EVs: 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Heat Wave  
- Hidden Power [Poison]  

Deoxys-Attack @ Choice Scarf  
Ability: Pressure  
EVs: 252 SpA / 252 Spe  
Timid Nature  
- Dark Pulse  
- Psycho Boost  
- Energy Ball  
- Extreme Speed  

Aron @ Shell Bell  
Ability: Sturdy  
Level: 1  
IVs: 0 Atk  
- Endeavor  
- Rest  
- Toxic  

Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 252 HP / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Thunder Wave  
- Shadow Ball  
- Stealth Rock