Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 56 SpD / 196 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Roost  
- Defog  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 244 Def / 12 Spe  
Impish Nature  
- Stealth Rock  
- Toxic  
- Morning Sun  
- Iron Head  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 240 HP / 172 SpD / 96 Spe  
Timid Nature  
- Dragon Tail  
- Mystical Fire  
- Recover  
- Dynamax Cannon  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 248 HP / 216 Def / 16 SpD / 28 Spe  
Calm Nature  
IVs: 0 Atk  
- Calm Mind  
- Rest  
- Sleep Talk  
- Scald  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 80 HP / 176 Atk / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Thousand Arrows  
- Rest  
- Thousand Waves