Metagross-Mega @ Metagrossite  
Ability: Tough Claws  
Level: 50  
EVs: 28 HP / 228 Atk / 252 Spe  
Jolly Nature  
- Zen Headbutt  
- Iron Head  
- Bullet Punch  
- Hammer Arm  

Rotom-Heat @ Firium Z  
Ability: Levitate  
Level: 50  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Overheat  
- Volt Switch  
- Hidden Power [Ice]  
- Toxic  

Mimikyu @ Focus Sash  
Ability: Disguise  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Shadow Sneak  
- Play Rough  
- Shadow Claw  

Greninja @ Life Orb  
Ability: Protean  
Level: 50  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Hidden Power [Electric]  
- Water Shuriken  
- Dark Pulse  

Gyarados @ Flyinium Z  
Ability: Intimidate  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Taunt  
- Bounce  
- Dragon Dance  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
Level: 50  
EVs: 108 HP / 236 Atk / 4 Def / 12 SpD / 148 Spe  
Adamant Nature  
- Flare Blitz  
- Swords Dance  
- Flame Charge  
- Outrage