Shuckle @ Mental Herb  
Ability: Sturdy  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sticky Web  
- Stealth Rock  
- Encore  
- Final Gambit  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Oblivion Wing  
- Dark Pulse  
- Sucker Punch  
- Taunt  

Necrozma-Dusk-Mane @ Life Orb  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Naughty Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 104 HP / 252 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Meteor Beam  
- Sludge Wave  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Bulk Up  

Zacian @ Babiri Berry  
Ability: Intrepid Sword  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Swords Dance  
- Play Rough  
- Crunch  
- Wild Charge