Dragon Master Knight is a Secret Rare Fusion Monster card from Yu-Gi-Oh! (Retro Pack 2, RP02). Current market price: $1.58.
Secret Rare
Retro Pack 2 (RP02)
Card Text
"Black Luster Soldier" + "Blue-Eyes Ultimate Dragon"
Must be Fusion Summoned. This card gains 500 ATK for each Dragon monster you control, except this card.
