Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 188 Def / 72 SpD  
Impish Nature  
- Knock Off  
- U-turn  
- Foul Play  
- Roost  

Aerodactyl @ Focus Sash  
Ability: Rock Head  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Ice Fang  
- Stone Edge  
- Taunt  

Corviknight @ Rocky Helmet  
Ability: Pressure  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Bulk Up  
- Roost  
- Brave Bird  
- Power Trip  

Rayquaza @ Focus Sash  
Ability: Air Lock  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- Stone Edge  
- Extreme Speed  
- Swords Dance  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Thunderbolt  
- Sludge Bomb  
- Taunt  

Lugia @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 252 HP / 160 Def / 96 Spe  
Bold Nature  
IVs: 0 Atk  
- Roost  
- Ice Beam  
- Thunderbolt  
- Toxic