Sad Music (Zacian-Crowned) @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Glare  
- Spikes  
- Sunsteel Strike  
- Glacial Lance  

Big Scary Ghost (Gengar-Mega) @ Choice Specs  
Ability: Adaptability  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Volt Switch  
- Knock Off  
- Sludge Bomb  
- Astral Barrage  

HOT! HOT! HOT! (Groudon) @ Red Orb  
Ability: Dauntless Shield  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Sticky Web  
- Strength Sap  
- Will-O-Wisp  
- V-create  

Technically 2 Mons (Slowbro-Mega) @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Defog  
- Milk Drink  
- Spectral Thief  
- Teleport  

Defiant Statement (Registeel) @ Darkinium Z  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Haze  
- Topsy-Turvy  
- Roost  
- Parting Shot  

Shadow Wealm (Giratina) @ Griseous Orb  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Heal Order  
- Core Enforcer  
- Knock Off  
- Teleport