Rayquaza-Mega @ Life Orb  
Ability: Delta Stream  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Ascent  
- V-create  
- Extreme Speed  
- Draco Meteor  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Dark Pulse  
- Oblivion Wing  
- Sucker Punch  
- Taunt  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 140 Def / 252 SpA / 116 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Psyshock  
- Hidden Power [Rock]  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Earthquake  
- Outrage  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 236 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Recover  
- Defog  
- Toxic  

Arceus-Poison @ Toxic Plate  
Ability: Multitype  
EVs: 248 HP / 4 Atk / 8 Def / 152 SpD / 96 Spe  
Jolly Nature  
- Poison Jab  
- Will-O-Wisp  
- Recover  
- Stealth Rock