Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Protect  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 220 Atk / 40 Def / 232 Spe  
Impish Nature  
- Substitute  
- Dragon Dance  
- Dragon Tail  
- Thousand Arrows  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 116 HP / 252 SpA / 140 Spe  
Modest Nature  
IVs: 0 Atk  
- Meteor Beam  
- Flamethrower  
- Dynamax Cannon  
- Recover  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Morning Sun  
- Stealth Rock  
- Knock Off  
- Sunsteel Strike  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 30 Spe  
- U-turn  
- Snarl  
- Roost  
- Defog  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform