Naganadel @ Dragonium Z  
Ability: Contrary  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Overheat  
- Fleur Cannon  
- Ice Beam  

Regigigas @ Sitrus Berry  
Ability: Scrappy  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Extreme Speed  
- Belly Drum  
- Spectral Thief  
- Drain Punch  

Dialga @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Rapid Spin  
- Ice Beam  
- Blue Flare  

Yveltal @ Weakness Policy  
Ability: Speed Boost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Power Trip  
- Protect  
- Swords Dance  
- Sunsteel Strike  

Magearna @ Focus Sash  
Ability: Prankster  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Spore  
- Toxic Spikes  
- Moonblast  
- Stealth Rock  

Kyurem-White @ Choice Scarf  
Ability: Refrigerate  
- Boomburst  
- Clanging Scales  
- Blue Flare  
- Thousand Waves