Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Substitute  
- High Jump Kick  
- Ice Punch  
- Thunder Punch  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- V-create  
- Blue Flare  
- U-turn  
- Bolt Strike  

Latios @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Psychic  
- Shadow Ball  
- Defog  

Jirachi @ Leftovers  
Ability: Serene Grace  
EVs: 252 HP / 28 Def / 120 SpD / 108 Spe  
Careful Nature  
- Iron Head  
- U-turn  
- Healing Wish  
- Stealth Rock  

Slowbro @ Colbur Berry  
Ability: Regenerator  
EVs: 252 HP / 192 Def / 64 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Fire Blast  
- Grass Knot  
- Slack Off  

Alakazam @ Focus Sash  
Ability: Magic Guard  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Shadow Ball  
- Focus Blast  
- Thunder Wave