Forretress @ Lum Berry  
Ability: Sturdy  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Payback  
- Rapid Spin  
- Spikes  
- Toxic Spikes  

Breloom @ Toxic Orb  
Ability: Poison Heal  
EVs: 44 HP / 212 Atk / 252 Spe  
Jolly Nature  
- Sky Uppercut  
- Spore  
- Substitute  
- Leech Seed  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 48 Def / 208 SpD  
Calm Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Roar  
- Protect  
- Stealth Rock  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 252 Atk / 120 Def / 136 Spe  
Adamant Nature  
- Outrage  
- Earthquake  
- Shadow Sneak  
- Will-O-Wisp  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Ice Punch  
- Trick  

Mewtwo @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 28 Def / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Ice Beam  
- Calm Mind  
- Recover