1 (Clefable) @ Leftovers  
Ability: Unaware  
Fusion: Registeel  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Flamethrower  
- Soft-Boiled  
- Calm Mind  

2 (Milotic) @ Toxic Orb  
Ability: Poison Heal  
Fusion: Gliscor  
EVs: 236 HP / 252 Def / 20 SpD  
Bold Nature  
- Scald  
- Stealth Rock  
- Roost  
- U-turn  

4 (Jirachi) @ Assault Vest  
Ability: Regenerator  
Fusion: Tangrowth  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Iron Head  
- Giga Drain  
- Knock Off  
- U-turn  

5 (Metagross) @ Choice Scarf  
Ability: Serene Grace  
Fusion: Meloetta-Pirouette  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- Close Combat  
- Knock Off  
- U-turn  

6 (Salamence) @ Eviolite  
Ability: Intimidate  
Fusion: Doublade  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Dragon Tail  
- Spectral Thief  
- Defog  
- Roost  

7 (Necrozma) @ Necrozium  
Ability: Prism Armor  
Fusion: Latios  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Photon Geyser  
- Draco Meteor  
- Heat Wave  
- Roost