This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of 'Transcendent Wings'. By Tributing this face-up card on your side of the field, destroy all face-up Attack Position monsters on your opponent's side of the field and inflict damage to your opponent's Life Points equal to the combined original ATK of those destroyed monster(s). You can only activate this effect during your opponent's Battle Phase.'