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

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Oblivion Wing  
- Dark Pulse  
- U-turn  
- Foul Play  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 56 Def / 204 SpD  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Dragon Tail  
- Toxic  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Defog  

Ho-Oh @ Safety Goggles  
Ability: Regenerator  
EVs: 248 HP / 204 Def / 56 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Sacred Fire  
- Defog  
- Whirlwind  
- Toxic  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Toxic  
- Defog