Dragon Zombie + Yaiba Robo → Metal Dragon

Dragon Zombie + Giant Mech-soldier → Metal Dragon

Dragon Zombie + Metal Dragon → Curse of Dragon

Dragon Zombie + Mechanical Spider → Metal Dragon

Dragon Zombie + Bat → Metal Dragon

Dragon Zombie + Giga-tech Wolf → Metal Dragon

Dragon Zombie + Cyber Soldier → Metal Dragon

Dragon Zombie + Shovel Crusher → Metal Dragon

Dragon Zombie + Blocker → Metal Dragon

Dragon Zombie + Blast Juggler → Metal Dragon

Dragon Zombie + Golgoil → Metal Dragon

Dragon Zombie + Giganto → Metal Dragon