This card cannot be Special Summoned except by removing from play the above cards on your side of the Field; then you can Special Summon this card from your Extra Deck (You do not use "Polymerization") or by the effect of Winged Kuriboh - 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 with an opponent's Monster, inflict damage equal to its ATK to your opponent and destroy that Monster at the end of the Damage Step. During your opponent's Battle Phase, you can Tribute this Face-up Monster to destroy all Monsters your opponent controls and inflict damage to your opponent equal to the combined original ATK of those destroyed Monster(s).