Clefable @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Stealth Rock  
- Moonblast  
- Soft-Boiled  
- Knock Off  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 12 Atk / 220 Def / 24 Spe  
Adamant Nature  
- Precipice Blades  
- Swords Dance  
- Stone Edge  
- Dragon Tail  

Necrozma-Dusk-Mane @ Metal Coat  
Ability: Prism Armor  
EVs: 76 HP / 252 Atk / 180 Spe  
Adamant Nature  
- Sunsteel Strike  
- Moonlight  
- Earthquake  
- Dragon Dance  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 200 HP / 8 Def / 48 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Roost  
- U-turn  
- Defog  

Eternatus @ Sitrus Berry  
Ability: Pressure  
EVs: 164 HP / 252 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Flamethrower  
- Toxic  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 104 Def / 252 SpA / 152 Spe  
Modest Nature  
- Draco Meteor  
- Hex  
- Will-O-Wisp  
- Shadow Sneak