Magearna @ Leftovers  
Ability: heartswap  
EVs: 248 HP / 28 Def / 232 SpD  
Calm Nature  
IVs: 0 Atk / 6 Spe  
- Flash Cannon  
- Ice Beam  
- Volt Switch  
- Pain Split  

Tapu Koko @ Leftovers  
Ability: thunderwave  
EVs: 20 HP / 252 SpA / 20 SpD / 216 Spe  
Timid Nature  
- Thunderbolt  
- Defog  
- Roost  
- U-turn  

Celesteela @ Leftovers  
Ability: irondefense  
EVs: 248 HP / 28 Def / 232 SpD  
Sassy Nature  
- Leech Seed  
- Protect  
- Heavy Slam  
- Flamethrower  

Kommo-o @ Kommonium Z  
Ability: stealthrock  
EVs: 4 HP / 252 Atk / 252 Spe  
Hasty Nature  
- Clanging Scales  
- Close Combat  
- Poison Jab  
- Flamethrower  

Hoopa-Unbound @ Metronome  
Ability: substitute  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Hyperspace Fury  
- Gunk Shot  
- Drain Punch  
- Thunder Punch  

Victini @ Choice Band  
Ability: sunnyday  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Bolt Strike  
- Zen Headbutt  
- U-turn