Blissey @ Leftovers  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Soft-Boiled  
- Seismic Toss  
- Toxic  

Forretress @ Leftovers  
Ability: Sturdy  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Toxic Spikes  
- Rapid Spin  
- Spikes  
- Gyro Ball  

Serperior @ Grassium Z  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Dragon Pulse  

Volcanion @ Choice Scarf  
Ability: Water Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Steam Eruption  
- Earth Power  
- Sludge Bomb  

Slurpuff @ Sitrus Berry  
Ability: Unburden  
Happiness: 0  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sticky Web  
- Play Rough  
- Drain Punch  
- Belly Drum  

Hydreigon @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Draco Meteor  
- Flamethrower  
- Flash Cannon