Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Liquidation  
- Earthquake  
- Ice Beam  
- Rock Slide  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Earthquake  
- Ice Punch  
- Waterfall  
- Flip Turn  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Weather Ball  
- Hurricane  
- U-turn  
- Defog  

Thundurus-Therian (M) @ Life Orb  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Weather Ball  
- Thunderbolt  
- Nasty Plot  
- Focus Blast  

Breloom @ Focus Sash  
Ability: Technician  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Spore  
- Rock Tomb  
- Bullet Seed  
- Mach Punch  

Archaludon @ Assault Vest  
Ability: Stamina  
EVs: 252 HP / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Electro Shot  
- Flash Cannon  
- Dragon Pulse  
- Steel Beam