Sword Arm of Dragon + Yaranzo → Curse of Dragon

Sword Arm of Dragon + Megasonic Eye → Cyber Saurus

Sword Arm of Dragon + Three-legged Zombies → Curse of Dragon

Sword Arm of Dragon + Flying Penguin → Kairyu-shin

Sword Arm of Dragon + Labyrinth Wall → Stone D.

Sword Arm of Dragon + Shadow Ghoul → Curse of Dragon

Sword Arm of Dragon + Sanga of the Thunder → Twin-headed Thunder Dragon

Sword Arm of Dragon + Pendulum Machine → Cyber Saurus

Sword Arm of Dragon + Zone Eater → Kairyu-shin

Sword Arm of Dragon + Steel Scorpion → Cyber Saurus

Sword Arm of Dragon + Ooguchi → Kairyu-shin

Sword Arm of Dragon + Saber Slasher → Cyber Saurus