Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 252 HP / 176 Def / 80 Spe  
Bold Nature  
IVs: 0 Atk  
- Flamethrower  
- Hidden Power [Ground]  
- Will-O-Wisp  
- Roost  

Cresselia (F) @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 40 Def / 220 SpA  
Bold Nature  
IVs: 0 Atk  
- Future Sight  
- Toxic  
- Moonlight  
- Skill Swap  

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 128 HP / 128 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Synthesis  
- Defog  

Seismitoad @ Leftovers  
Ability: Water Absorb  
EVs: 244 HP / 36 Def / 216 SpD / 12 Spe  
Careful Nature  
- Stealth Rock  
- Scald  
- Earthquake  
- Rest  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Seismic Toss  
- Toxic  
- Soft-Boiled  
- Heal Bell  

Ditto @ Choice Scarf  
Ability: Imposter  
Happiness: 0  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Transform