1 Level 6 'Archfiend' Normal Monster + 1 'Red-Eyes' Normal Monster
If this card attacks or is attacked, your opponent cannot activate cards or effects until the end of the Damage Step. At the end of the Battle Phase, if this Fusion Summoned card attacked or was attacked: You can target 1 'Red-Eyes' Normal Monster in your Graveyard; inflict damage to your opponent equal to that target's original ATK, then shuffle that target into the Deck. You can only Special Summon 'Black Dragon Archfiend(s)' once per turn.