The Wicked Eraser (CT07-EN011) [2010 Collectors Tins]

This card cannot be Special Summoned. This card cannot be normal summoned or set except by tributing 3 monsters. The ATK and DEF of this card are each equal to the number of cards your opponent controls x 1000. When this card is destroyed and sent to the graveyard, destroy all cards on the field. During your Main Phase, you can destroy this card.