Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Protect  
- Moonblast  
- Earth Power  
- Diamond Storm  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Taunt  
- Toxic  
- Magma Storm  

Magnezone @ Choice Scarf  
Ability: Magnet Pull  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Thunderbolt  
- Hidden Power [Fire]  
- Flash Cannon  

Tornadus-Therian (M) @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
- U-turn  
- Taunt  
- Hurricane  
- Knock Off  

Manaphy @ Leftovers  
Ability: Hydration  
EVs: 252 HP / 136 SpA / 120 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Surf  
- Ice Beam  
- Rain Dance  

Latios (M) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Surf  
- Psyshock  
- Draco Meteor