Koumori Dragon + Blocker → Metal Dragon

Koumori Dragon + Blast Juggler → Metal Dragon

Koumori Dragon + Golgoil → Metal Dragon

Koumori Dragon + Giganto → Metal Dragon

Koumori Dragon + Cyber-Stein → Metal Dragon

Koumori Dragon + Cyber Commander → Metal Dragon

Koumori Dragon + Jinzo #7 → Metal Dragon

Koumori Dragon + Dice Armadillo → Metal Dragon

Koumori Dragon + Thunder Dragon → Twin-headed Thunder Dragon

Koumori Dragon + Water Magician → Spike Seadra

Koumori Dragon + Ice Water → Spike Seadra

Koumori Dragon + Waterdragon Fairy → Spike Seadra