Latios @ Lum Berry  
Ability: Levitate  
EVs: 172 HP / 108 Def / 4 SpA / 4 SpD / 220 Spe  
Timid Nature  
IVs: 31/3/31/31/30/31
- Substitute  
- Calm Mind  
- Recover  
- Dragon Claw  

Suicune @ Leftovers
EVs: 238 HP / 140 Def / 132 Spe
Ability: Pressure
Bold Nature
IVs: 31/12/31/31/31/31
- Surf
- Rest
- Substitute
- Calm Mind

Registeel @ Chesto Berry 
Ability: Clear Body 
Evs: 252 HP / 252 SpD / 4 Def 
Careful Nature 
IVs: 31/26/30/2/31/26 
-Seismic Toss 
-Toxic 
-Iron Defense 
-Rest