Mew @ Leftovers  
Ability: Synchronize  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Earth Power  
- Will-O-Wisp  
- Roost  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Stone Edge  
- Fire Punch  
- Ice Punch  
- Stealth Rock  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Power Whip  
- Hidden Power [Fire]  
- Knock Off  
- Sludge Bomb  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 232 Atk / 68 Def / 208 Spe  
Jolly Nature  
- Earthquake  
- Stone Edge  
- U-turn  
- Defog  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Baneful Bunker  
- Haze  
- Recover  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 224 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt