Metal Guardian + Electro-whip → Metalmorph

Metal Guardian + Machine Conversion Factory → Metalmorph

Metal Guardian + Fungi of the Musk → Darkworld Thorns

Metal Guardian + Lesser Dragon → Koumori Dragon

Metal Guardian + Fairy Dragon → Koumori Dragon

Catapult Turtle + Crawling Dragon → Kairyu-shin

Catapult Turtle + Dragon Zombie → Kairyu-shin

Catapult Turtle + Wings of Wicked Flame → Giant Turtle Who Feeds on Flames

Catapult Turtle + Curtain of the Dark Ones → 30,000-Year White Turtle

Catapult Turtle + White Magical Hat → 30,000-Year White Turtle

Catapult Turtle + Spirit of the Books → Turtle Bird

Catapult Turtle + Yamatano Dragon Scroll → Spike Seadra