Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 144 SpD / 112 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Scorching Sands  
- Toxic  
- Taunt  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 64 SpD / 192 Spe  
Jolly Nature  
IVs: 0 Atk  
- Foul Play  
- Roost  
- Toxic  
- Defog  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 212 SpD / 44 Spe  
Careful Nature  
- Sunsteel Strike  
- Knock Off  
- Stealth Rock  
- Morning Sun  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Dragon Pulse  
- Cosmic Power  
- Recover  

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Ice Punch