Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
- Calm Mind  
- Stored Power  
- Substitute  
- Roost  

Chansey @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Seismic Toss  
- Toxic  
- Stealth Rock  
- Soft-Boiled  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 52 Def / 192 SpD / 20 Spe  
Jolly Nature  
- Swords Dance  
- Roost  
- Earthquake  
- Facade  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 136 HP / 120 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Synthesis  
- Knock Off  
- Defog  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 104 Def / 152 SpD  
Calm Nature  
- Scald  
- Recover  
- Toxic  
- Haze  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 SpA / 30 SpD / 1 Spe  
- Transform