Yubel - The Ultimate Nightmare

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with the effect of "Yubel - Terror Incarnate". This card cannot be destroyed by battle. You take no Battle Damage from battles involving this card. If this face-up Attack Position card battles an opponent's monster, inflict damage equal to its ATK to your opponent and destroy that monster at the end of the Damage Step.