Palkia @ Choice Scarf  
Ability: Pressure  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Hydro Pump  
- Thunder  
- Fire Blast  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 172 Atk / 28 Def / 196 SpD / 96 Spe  
Impish Nature  
- Substitute  
- Toxic  
- Dragon Dance  
- Thousand Arrows  

Eternatus @ Sitrus Berry  
Ability: Pressure  
EVs: 176 HP / 240 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Toxic Spikes  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Toxic  
- Morning Sun  

Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Foul Play  
- Rock Blast  
- Stealth Rock  
- Rest  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb