Number C1000: Numerounius (MGED-EN031) - Maximum Gold: El Dorado 1st Edition

5 Level 12 monsters
Once per turn (Quick Effect): You can detach 1 material from this card; destroy 1 other monster on the field. At the end of the Battle Phase: Destroy as many other monsters on the field as possible (min. 1), then you can Special Summon 1 monster from your opponent's GY to your field in Defense Position. If this card you control is destroyed by an opponent's card effect while it has material, and is sent to your GY: You can Special Summon 1 "Number iC1000: Numerounius Numerounia" from your Extra Deck, and if you do, attach this card to it as material.