Metal Dragon + Skullbird → Crimson Sunbird

Metal Dragon + Monstrous Bird → Crimson Sunbird

Metal Dragon + Milus Radiant → Flame Cerebrus

Metal Dragon + Togex → Flame Cerebrus

Metal Dragon + Mega Thunderball → Twin-headed Thunder Dragon

Metal Dragon + Niwatori → Crimson Sunbird

Metal Dragon + Corroding Shark → Curse of Dragon

Metal Dragon + Skelgon → Curse of Dragon

Metal Dragon + Griggle → B. Dragon Jungle King

Metal Dragon + Bone Mouse → Curse of Dragon

Metal Dragon + Winged Dragon #2 → Crimson Sunbird

Metal Dragon + Mushroom Man #2 → Vermillion Sparrow