Milotic @ Leftovers  
Ability: Marvel Scale  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Recover  
- Haze  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Leech Seed  
- Substitute  

Steelix-Mega @ Steelixite  
Ability: Sand Force  
- Earthquake  
- Toxic  
- Heavy Slam  
- Stealth Rock  

Gyarados @ Flyinium Z  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Bounce  
- Earthquake  

Zygarde @ Choice Band  
Ability: Aura Break  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Thousand Arrows  
- Extreme Speed  
- Outrage  
- Sleep Talk  

Seviper @ Expert Belt  
Ability: Shed Skin  
EVs: 252 HP / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Flamethrower  
- Giga Drain  
- Glare