Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Unnerve  
EVs: 40 Def / 216 SpA / 252 Spe  
Timid Nature  
- Psystrike  
- Ice Beam  
- Fire Blast  
- Calm Mind  

Kyurem-White @ Life Orb  
Ability: Turboblaze  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Ice Beam  
- Draco Meteor  
- Fusion Flare  
- Roost  

Landorus @ Life Orb  
Ability: Sheer Force  
EVs: 4 Atk / 252 SpA / 252 Spe  
Rash Nature  
- Earth Power  
- Rock Slide  
- Stealth Rock  
- Hidden Power [Ice]  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 224 SpD / 36 Spe  
Calm Nature  
- Heart Swap  
- Pain Split  
- Volt Switch  
- Flash Cannon  

Marshadow @ Marshadium Z  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 72 HP / 252 Def / 184 Spe  
Jolly Nature  
- Foul Play  
- U-turn  
- Toxic  
- Defog