Mew @ Kasib Berry  
Ability: Synchronize  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Will-O-Wisp  
- Taunt  
- Roost  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Flamethrower  
- Slack Off  
- Teleport  

Victini @ Heavy-Duty Boots  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Bolt Strike  
- U-turn  
- Will-O-Wisp  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Stealth Rock  
- Play Rough  

Hatterene (F) @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Atk  
- Calm Mind  
- Psyshock  
- Draining Kiss  
- Trick Room  

Latios (M) @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Psychic  
- Mystical Fire  
- Trick