Giratina @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Dragon Tail  
- Defog  
- Will-O-Wisp  
- Protect  

Eternatus @ Black Sludge  
Ability: Unaware  
EVs: 124 HP / 252 SpA / 132 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  
- Recover  

Groudon @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Precipice Blades  
- Smack Down  
- Roar  
- Stealth Rock  

Arceus-Dark @ Dread Plate  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Iron Defense  
- Judgment  
- Recover  

Miraidon @ Choice Specs  
Ability: Hadron Engine  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Draco Meteor  
- Volt Switch  
- Electro Drift  
- Overheat  

Lunala @ Choice Specs  
Ability: Surge Surfer  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Focus Blast  
- Thunderbolt  
- Will-O-Wisp