Tentacruel @ Lum Berry  
Ability: Clear Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Icy Wind  
- Hydro Pump  
- Toxic Spikes  
- Rapid Spin  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 228 SpD / 32 Spe  
Timid Nature  
IVs: 0 Atk  
- Roar  
- Taunt  
- Toxic  
- Lava Plume  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Surf  
- Ice Beam  
- Thunder  

Rayquaza @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Dragon Claw  
- Earthquake  
- Extreme Speed  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 56 SpA / 200 SpD  
Modest Nature  
IVs: 0 Atk  
- Stealth Rock  
- Dragon Pulse  
- Thunder  
- Thunder Wave  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Thunder  
- Aura Sphere  
- Dragon Pulse