1 Level 6 Archfiend Normal Monster + 1 Red-Eyes Normal Monster
You can only Special Summon Archfiend Black Skull Dragon(s) once per turn. If this card battles, your opponent s cards or effects cannot be activated until the end of the Damage Step. If damage calculation is performed involving this Fusion Summoned card, at the end of the Battle Phase: You can target 1 Red-Eyes Normal Monster in your Graveyard; inflict damage to your opponent equal to its ATK in the Graveyard, then shuffle it into the Deck.