Aerodactyl-Mega @ Aerodactylite  
Ability: Tough Claws  
Shiny: Yes  
EVs: 248 HP / 208 Atk / 20 Def / 32 Spe  
Jolly Nature  
- Rock Tomb  
- Aerial Ace  
- Laser Focus  
- Ice Fang  

Lanturn @ Electrium Z  
Ability: Volt Absorb  
EVs: 248 HP / 48 Def / 152 SpA / 60 SpD  
Modest Nature  
IVs: 0 Atk  
- Soak  
- Thunder  
- Substitute  
- Hydro Pump  

Mawile-Mega @ Mawilite  
Ability: Intimidate  
EVs: 248 HP / 116 Atk / 144 SpD  
Careful Nature  
- Play Rough  
- Taunt  
- Swords Dance  
- Sucker Punch  

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Slaking @ Choice Scarf  
Ability: Truant  
Shiny: Yes  
EVs: 252 Atk / 24 Def / 232 Spe  
Adamant Nature  
- Earthquake  
- Gunk Shot  
- Giga Impact  
- Ice Punch  

Gyarados-Mega @ Gyaradosite  
Ability: Intimidate  
Shiny: Yes  
EVs: 248 HP / 52 Atk / 28 Def / 44 SpD / 136 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Crunch  
- Taunt  

Dragonite @ Electrium Z  
Ability: Multiscale  
EVs: 124 HP / 252 SpA / 32 SpD / 100 Spe  
Modest Nature  
- Thunder  
- Fire Blast  
- Draco Meteor  
- Extreme Speed  

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Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 20 SpA / 24 SpD / 216 Spe  
Bold Nature  
- Fleur Cannon  
- Calm Mind  
- Iron Defense  
- Pain Split  

Slaking @ Choice Band  
Ability: Truant  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Giga Impact  
- Hammer Arm  
- Ice Punch  
- Earthquake  

Serperior @ Leftovers  
Ability: Contrary  
Shiny: Yes  
EVs: 248 HP / 24 Def / 236 Spe  
Timid Nature  
- Leech Seed  
- Protect  
- Substitute  
- Leaf Storm