One of the rarest cards to have ever graced Duel Links; “MASKED HERO ELFOMAN” one day he will be removed from the forbidden list and return to us with good news. :
Masked HERO Dian Yu-Gi-Oh! Card OCG PP07-KR026 Super Rare 1st Ed. Korean V-73 | eBay
Masked HERO Dian (Master Duel) - Yugipedia - Yu-Gi-Oh! wiki
Masked HEROs
Yu-Gi-Oh! TCG Strategy Articles » Who is that Masked HERO?!