Yamadron + Blast Juggler → Metal Dragon

Yamadron + Golgoil → Metal Dragon

Yamadron + Giganto → Metal Dragon

Yamadron + Cyber-Stein → Metal Dragon

Yamadron + Cyber Commander → Metal Dragon

Yamadron + Jinzo #7 → Metal Dragon

Yamadron + Dice Armadillo → Metal Dragon

Yamadron + Thunder Dragon → Twin-headed Thunder Dragon

Yamadron + Water Magician → Kairyu-shin

Yamadron + Ice Water → Kairyu-shin

Yamadron + Waterdragon Fairy → Kairyu-shin

Yamadron + Beautiful Beast Trainer → Flame Swordsman