Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 188 SpD / 68 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Toxic  
- Roar  
- Protect  

Groudon @ Lum Berry  
Ability: Drought  
EVs: 252 HP / 76 Def / 180 SpD  
Impish Nature  
- Dragon Tail  
- Thunder Wave  
- Earthquake  
- Stealth Rock  

Terrakion @ Choice Scarf  
Ability: Justified  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Stone Edge  
- Sleep Talk  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 136 Atk / 252 SpA / 120 Spe  
Rash Nature  
- Draco Meteor  
- Shadow Sneak  
- Dragon Tail  
- Earthquake  

Palkia @ Haban Berry  
Ability: Pressure  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Spacial Rend  
- Fire Blast  
- Thunder  
- Dragon Tail  

Arceus @ Life Orb  
Ability: Multitype  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Extreme Speed  
- Shadow Claw  
- Swords Dance  
- Earthquake