Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
Level: 50  
EVs: 164 HP / 4 Def / 136 SpA / 204 Spe  
Modest Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Heat Wave  
- Solar Beam  
- Hidden Power [Ground]  
- Protect  

Venusaur-Mega @ Venusaurite  
Ability: Chlorophyll  
Level: 50  
EVs: 188 HP / 252 SpA / 68 Spe  
Modest Nature  
IVs: 0 Atk / 30 Def  
- Giga Drain  
- Sludge Bomb  
- Hidden Power [Ice]  
- Protect  

Heatran @ Life Orb  
Ability: Flash Fire  
Level: 50  
EVs: 252 HP / 44 Def / 212 SpA  
Modest Nature  
IVs: 0 Atk  
- Heat Wave  
- Earth Power  
- Substitute  
- Protect  

Cresselia (F) @ Sitrus Berry  
Ability: Levitate  
Level: 50  
EVs: 252 HP / 124 Def / 132 SpA  
Relaxed Nature  
IVs: 4 Spe  
- Ice Beam  
- Psychic  
- Trick Room  
- Helping Hand  

Scrafty @ Assault Vest  
Ability: Intimidate  
Level: 50  
EVs: 252 HP / 252 Atk / 4 Spe  
Adamant Nature  
- Fake Out  
- Drain Punch  
- Knock Off  
- Super Fang  

Rhyperior @ Weakness Policy  
Ability: Solid Rock  
Level: 50  
EVs: 244 HP / 156 Atk / 108 SpD  
Brave Nature  
IVs: 0 Spe  
- Rock Slide  
- Earthquake  
- Drill Run  
- Protect