Crawling Dragon + Megasonic Eye → Metal Dragon

Crawling Dragon + Three-legged Zombies → Skelgon

Crawling Dragon + Flying Penguin → Kairyu-shin

Crawling Dragon + Millennium Shield → Sword Arm of Dragon

Crawling Dragon + Labyrinth Wall → Stone D.

Crawling Dragon + Shadow Ghoul → Skelgon

Crawling Dragon + Wall Shadow → Sword Arm of Dragon

Crawling Dragon + Sanga of the Thunder → Twin-headed Thunder Dragon

Crawling Dragon + Pendulum Machine → Metal Dragon

Crawling Dragon + Zone Eater → Kairyu-shin

Crawling Dragon + Steel Scorpion → Metal Dragon

Crawling Dragon + Ooguchi → Kairyu-shin