Urshifu @ Choice Band  
Ability: Unseen Fist  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Wicked Blow  
- Low Kick  
- U-turn  
- Sucker Punch  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 164 SpD / 96 Spe  
Timid Nature  
- Dynamax Cannon  
- Recover  
- Flamethrower  
- Dragon Tail  

Groudon @ Leftovers  
Ability: Drought  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Bulk Up  
- Heat Crash  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 72 Def / 188 SpD  
Careful Nature  
IVs: 29 Spe  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 136 SpD / 120 Spe  
Careful Nature  
- Stealth Rock  
- Moonlight  
- Iron Head  
- Thunder Wave  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Spectral Thief  
- Low Kick  
- Shadow Sneak  
- Rock Tomb