Tapu Lele @ Psychium Z  
Ability: Psychic Surge  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Reflect  
- Moonblast  
- Psychic  
- Calm Mind  

Donphan @ Groundium Z  
Ability: Sturdy  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Earthquake  
- Head Smash  
- Ice Shard  
- Counter  

Magnezone @ Electrium Z  
Ability: Sturdy  
EVs: 80 HP / 252 SpA / 176 Spe  
Modest Nature  
- Electroweb  
- Zap Cannon  
- Flash Cannon  
- Metal Sound  

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Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Fake Out  
- High Jump Kick  
- Zen Headbutt  
- Ice Punch  

Donphan @ Choice Band  
Ability: Sturdy  
EVs: 252 Atk / 144 Def / 112 Spe  
Adamant Nature  
- Earthquake  
- Ice Shard  
- Gunk Shot  
- Head Smash  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
- Leaf Storm  
- Protect  
- Leech Seed  
- Substitute  

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Slowbro-Mega @ Slowbronite  
Ability: Oblivious  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Scald  
- Amnesia  
- Iron Defense  
- Slack Off  

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 224 HP / 96 Def / 12 SpA / 176 Spe  
Timid Nature  
- Hyper Beam  
- Calm Mind  
- Will-O-Wisp  
- Psyshock  

Garchomp @ Choice Band  
Ability: Rough Skin  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Outrage  
- Earthquake  
- Fire Fang  
- Poison Jab  

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Kommo-o @ Kommonium Z  
Ability: Soundproof  
EVs: 240 HP / 28 SpA / 184 SpD / 56 Spe  
Calm Nature  
- Clanging Scales  
- Close Combat  
- Flamethrower  
- Taunt  

Mew @ Kee Berry  
Ability: Synchronize  
EVs: 184 HP / 72 SpD / 252 Spe  
Timid Nature  
- Taunt  
- Amnesia  
- Will-O-Wisp  
- Soft-Boiled  

Haxorus @ Choice Scarf  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Tail  
- Outrage  
- Earthquake  
- Rock Slide  

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Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 212 HP / 12 Atk / 176 SpD / 108 Spe  
Jolly Nature  
- Belly Drum  
- Outrage  
- Flare Blitz  
- Flame Charge  

Aron @ Shell Bell  
Ability: Sturdy  
Level: 1  
EVs: 4 HP  
Brave Nature  
- Endeavor  
- Toxic  
- Sandstorm  
- Metal Burst  

Clefable @ Psychium Z  
Ability: Unaware  
EVs: 248 HP / 236 Def / 24 SpD  
Bold Nature  
- Magic Coat  
- Moonblast  
- Reflect  
- Moonlight