Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 252 HP / 16 Def / 240 Spe  
Bold Nature  
IVs: 0 Atk  
- Wish  
- Protect  
- Hyper Voice  
- Will-O-Wisp  

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

Reuniclus @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 8 Atk / 252 SpD  
Sassy Nature  
- Knock Off  
- Focus Blast  
- Future Sight  
- Hidden Power [Fire]  

Slowbro @ Colbur Berry  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Grass Knot  
- Flamethrower  
- Slack Off  

Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Iron Head  
- Toxic  
- Thunderbolt  

Latios (M) @ Dragon Fang  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Draco Meteor  
- Thunderbolt  
- Roost