6eeba363_onsters___Yu_Gi_Oh__Card_Guide__Card_Text
[Card Name] The Wicked Eraser [Type] Effect Monster [Attribute] DARK [Sub Type] Fiend [ATK] ? [DEF] ? [Card Text] 
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.
Yu-Gi-Oh! Level 10 Monsters - Yu-Gi-Oh! Card Guide