Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Protect  
- Dragon Pulse  
- Ice Beam  
- Fire Blast  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 132 SpD / 128 Spe  
Calm Nature  
IVs: 0 Atk  
- Metal Sound  
- Lava Plume  
- Earth Power  
- Stealth Rock  

Mew @ Expert Belt  
Ability: Synchronize  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sucker Punch  
- Gunk Shot  
- Low Kick  
- Zen Headbutt  

Latios (M) @ Life Orb  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Psyshock  
- Hidden Power [Fire]  
- Recover  

Gengar @ Focus Sash  
Ability: Cursed Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
IVs: 0 Atk / 0 Def / 0 SpD  
- Counter  
- Destiny Bond  
- Shadow Ball  
- Focus Blast  

Porygon-Z @ Choice Specs  
Ability: Adaptability  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Beam  
- Tri Attack  
- Dark Pulse  
- Hidden Power [Fire]