Zekrom @ Magnet  
Ability: Teravolt  
EVs: 64 HP / 252 Atk / 192 Spe  
Adamant Nature  
- Dragon Dance  
- Bolt Strike  
- Roost  
- Dragon Claw  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 16 Atk / 96 Def / 124 SpD / 20 Spe  
Adamant Nature  
- Stealth Rock  
- Precipice Blades  
- Thunder Wave  
- Stone Edge  

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

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

Necrozma-Dusk-Mane @ Colbur Berry  
Ability: Prism Armor  
EVs: 132 HP / 252 Atk / 124 Spe  
Adamant Nature  
- Sunsteel Strike  
- Moonlight  
- Knock Off  
- Swords Dance  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 52 Def / 204 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Roost  
- Ice Beam  
- Defog