Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Rock Tomb  
- Shadow Sneak  
- Low Kick  
- Spectral Thief  

Yveltal @ Black Glasses  
Ability: Dark Aura  
EVs: 188 Atk / 68 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Sucker Punch  
- Taunt  
- Roost  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 160 HP / 252 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic  
- Flamethrower  
- Dynamax Cannon  

Necrozma-Dusk-Mane @ Heavy-Duty Boots  
Ability: Prism Armor  
EVs: 252 HP / 136 Def / 120 Spe  
Impish Nature  
- Knock Off  
- Sunsteel Strike  
- Thunder Wave  
- Morning Sun  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Defog  
- Sacred Fire  
- Thunder Wave  
- Whirlwind  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 224 Atk / 36 Def / 232 Spe  
Impish Nature  
- Thousand Arrows  
- Dragon Dance  
- Substitute  
- Dragon Tail