Tapu Fini @ Choice Scarf  
Ability: Misty Surge  
Level: 50  
EVs: 52 HP / 12 Def / 204 SpA / 4 SpD / 236 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Moonblast  
- Ice Beam  
- Trick  

Celesteela @ Groundium Z  
Ability: Beast Boost  
Level: 50  
EVs: 4 HP / 228 Atk / 4 Def / 20 SpD / 252 Spe  
Adamant Nature  
- Heavy Slam  
- Earthquake  
- Flame Charge  
- Toxic  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
Level: 50  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Claw  
- Flame Charge  
- Will-O-Wisp  
- Roost  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
Level: 50  
EVs: 204 HP / 52 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hypnosis  
- Hex  
- Sludge Bomb  
- Will-O-Wisp  

Snorlax @ Mago Berry  
Ability: Gluttony  
Level: 50  
EVs: 156 HP / 252 Def / 100 SpD  
Impish Nature  
- Return  
- Recycle  
- Earthquake  
- Curse  

Mimikyu @ Focus Sash  
Ability: Disguise  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Play Rough  
- Drain Punch  
- Swords Dance  
- Shadow Sneak