Keldeo @ Leftovers  
Ability: Justified  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Secret Sword  
- Calm Mind  
- Substitute  

Mawile-Mega @ Mawilite  
Ability: Intimidate  
EVs: 52 HP / 252 Atk / 204 Spe  
Adamant Nature  
- Play Rough  
- Thunder Punch  
- Swords Dance  
- Sucker Punch  

Tapu Koko @ Choice Scarf  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Thunderbolt  
- U-turn  
- Grass Knot  
- Hidden Power [Ice]  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 32 Def / 228 SpD  
Sassy Nature  
- Heavy Slam  
- Flamethrower  
- Leech Seed  
- Protect  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 208 Def / 52 Spe  
Impish Nature  
- Earthquake  
- Knock Off  
- Stealth Rock  
- U-turn  

Tapu Fini @ Icium Z  
Ability: Misty Surge  
EVs: 248 HP / 152 Def / 88 SpD / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Scald  
- Haze  
- Defog