Koumori Dragon + Graveyard and the Hand of Invitation → Dragon Zombie

Koumori Dragon + Hero of the East → Sword Arm of Dragon

Koumori Dragon + Supporter in the Shadows → Sword Arm of Dragon

Koumori Dragon + Dream Clown → Sword Arm of Dragon

Koumori Dragon + Dark Plant → B. Dragon Jungle King

Koumori Dragon + Ancient Tool → Metal Dragon

Koumori Dragon + Ansatsu → Sword Arm of Dragon

Koumori Dragon + Octoberser → Kairyu-shin

Koumori Dragon + The 13th Grave → Dragon Zombie

Koumori Dragon + Fiend's Hand → Dragon Zombie

Koumori Dragon + Dragon Statue → Sword Arm of Dragon

Koumori Dragon + Blue-eyed Silver Zombie → Dragon Zombie