Armaldo @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Head Smash  
- Brave Bird  
- U-turn  
- Toxic Spikes  

Kyogre @ Choice Specs  
Ability: Primordial Sea  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Boomburst  
- Water Spout  
- Thunder  
- Volt Switch  

Deoxys-Attack @ Focus Sash  
Ability: Dazzling  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Boomburst  
- Tail Glow  
- Aura Sphere  
- Ice Beam  

Rayquaza @ Choice Scarf  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Seed Flare  
- Boomburst  
- U-turn  
- Fire Blast  

Arceus-Steel @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Roar  
- Flash Cannon  
- Defog  

Dialga @ Leftovers  
Ability: Speed Boost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Aeroblast  
- Boomburst  
- Ingrain  
- Tail Glow