Genesect @ Choice Scarf  
Ability: Download  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Iron Head  
- Ice Beam  
- Explosion  

Yveltal @ Darkinium Z  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Sucker Punch  
- Oblivion Wing  
- Dark Pulse  

Zekrom @ Choice Band  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Volt Switch  
- Outrage  
- Bolt Strike  
- Sleep Talk  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Disable  
- Shadow Ball  
- Sludge Wave  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Toxic  
- Aromatherapy  
- Moonblast  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Toxic