Forretress @ Leftovers  
Ability: Overcoat  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Spikes  
- Toxic Spikes  
- Volt Switch  
- Rapid Spin  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Shadow Sneak  
- Hex  
- Draco Meteor  
- Stone Edge  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Judgment  
- Recover  
- Focus Blast  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 240 HP / 232 SpD / 36 Spe  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Dragon Pulse  
- Thunder  
- Roar  

Groudon @ Leftovers  
Ability: Drought  
EVs: 240 HP / 252 Def / 16 SpD  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Dragon Claw  
- Roar  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder