Latias-Mega (F) @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder Wave  
- Thunderbolt  
- Ice Beam  
- Roost  

Reuniclus (F) @ Rocky Helmet  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Thunder  
- Psychic  

Celebi @ Colbur Berry  
Ability: Natural Cure  
EVs: 252 HP / 164 Def / 72 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Giga Drain  
- Recover  
- Toxic  

Jirachi @ Normalium Z  
Ability: Serene Grace  
Shiny: Yes  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Shadow Ball  
- Iron Head  
- Psychic  
- Happy Hour  

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

Mew @ Kasib Berry  
Ability: Synchronize  
EVs: 252 HP / 136 Def / 120 Spe  
Jolly Nature  
- Will-O-Wisp  
- Knock Off  
- Defog  
- Roost