Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Stored Power  
- Recover  
- Thunderbolt  

Mew @ Kasib Berry  
Ability: Synchronize  
EVs: 252 HP / 144 Def / 112 Spe  
Bold Nature  
- Will-O-Wisp  
- Knock Off  
- Taunt  
- Roost  

Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Iron Head  
- U-turn  
- Toxic  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bolt Strike  
- V-create  
- U-turn  
- Trick  

Deoxys-Speed @ Psychium Z  
Ability: Pressure  
EVs: 8 Def / 252 SpA / 248 Spe  
Timid Nature  
IVs: 0 Atk  
- Psycho Boost  
- Thunderbolt  
- Ice Beam  
- Nasty Plot  

Celebi @ Colbur Berry  
Ability: Natural Cure  
EVs: 252 HP / 84 Def / 60 SpA / 112 Spe  
Bold Nature  
IVs: 0 Atk  
- Hidden Power [Fire]  
- Giga Drain  
- Nasty Plot  
- Earth Power