Froslass (F) @ Focus Sash  
Ability: Cursed Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Taunt  
- Spikes  
- Destiny Bond  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 176 Def / 80 SpD  
Careful Nature  
- Reflect  
- Light Screen  
- Taunt  
- Play Rough  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 144 SpD / 112 Spe  
Adamant Nature  
- Play Rough  
- Close Combat  
- Assurance  
- Wild Charge  

Groudon @ Lum Berry  
Ability: Drought  
EVs: 120 HP / 252 Atk / 136 Spe  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Rock Polish  
- Swords Dance  

Zekrom @ Life Orb  
Ability: Teravolt  
EVs: 160 Atk / 96 SpA / 252 Spe  
Naive Nature  
- Bolt Strike  
- Dragon Claw  
- Dragon Dance  
- Focus Blast  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Geomancy  
- Substitute