Ho-Oh @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 104 Atk / 152 SpD  
Gentle Nature  
- Sacred Fire  
- Shadow Ball  
- Recover  
- Protect  

Metagross @ Choice Band  
Ability: Clear Body  
EVs: 140 HP / 252 Atk / 116 Def  
Adamant Nature  
- Meteor Mash  
- Explosion  
- Sleep Talk  
- Earthquake  

Latios (M) @ Soul Dew  
Ability: Levitate  
EVs: 252 Def / 4 SpA / 252 Spe  
Timid Nature  
IVs: 2 Atk / 30 SpA / 30 Spe  
- Calm Mind  
- Recover  
- Dragon Claw  
- Hidden Power [Fire]  

Snorlax @ Leftovers  
Ability: Immunity  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Curse  
- Rest  
- Sleep Talk  
- Body Slam  

Deoxys-Speed @ Lum Berry  
Ability: Pressure  
EVs: 252 HP / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Spikes  
- Taunt  
- Psycho Boost  
- Knock Off  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 4 Atk / 252 Def  
Lax Nature  
- Dragon Claw  
- Thunder Wave  
- Roar  
- Earthquake