Thunder Dragon + Queen of Autumn Leaves → B. Dragon Jungle King

Thunder Dragon + Invader of the Throne → Sword Arm of Dragon

Thunder Dragon + Disk Magician → Metal Dragon

Thunder Dragon + Gruesome Goo → Kairyu-shin

Thunder Dragon + Hyosube → Kairyu-shin

Thunder Dragon + Machine Attacker → Metal Dragon

Thunder Dragon + Hibikime → Sword Arm of Dragon

Thunder Dragon + Serpent Night Dragon → Twin-headed Thunder Dragon

Thunder Dragon + Mikazukinoyaiba → Twin-headed Thunder Dragon

Thunder Dragon + Meteor Dragon → Twin-headed Thunder Dragon

Thunder Dragon + Dokurorider → Curse of Dragon

Stone D. + Magician of Faith → Mystical Sand