Solid Snake (Tyranitar) @ Smooth Rock  
Ability: Sand Stream  
Fusion: Steelix  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Rest  
- Dragon Tail  
- Pursuit  
- Stealth Rock  

Liquid Snake (Salamence) @ Life Orb  
Ability: Sand Force  
Fusion: Dugtrio  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Earthquake  
- Dragon Claw  
- Stone Edge  

Semi-solid Snake (Jirachi) @ Assault Vest  
Ability: Regenerator  
Fusion: Tangrowth  
EVs: 224 HP / 156 Def / 44 SpA / 84 SpD  
Sassy Nature  
- Knock Off  
- U-turn  
- Doom Desire  
- Giga Drain  

Mammoth Task (Sandslash) @ Life Orb  
Ability: Sand Rush  
Fusion: Mamoswine  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Icicle Crash  
- Iron Head  
- Stone Edge  

Still no Ghost/Rock? (Chandelure) @ Choice Specs  
Ability: Sand Rush  
Fusion: Lycanroc  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Earth Power  
- Fire Blast  
- Hidden Power [Rock]  

Budget Yveltal (Hydreigon) @ Life Orb  
Ability: Tinted Lens  
Fusion: Yanmega  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Taunt  
- Quiver Dance  
- Oblivion Wing