Chimeratech Overdragon (UTR) (POTD-EN034) - Power of the Duelist Unlimited

Cyber Dragon + 1 or more Machine-Type monsters
This monster cannot be Special Summoned except by Fusion Summon. When this card is Fusion Summoned, send all the cards on your side of the field to the Graveyard except this card. The original ATK and DEF of this card become the number of Fusion Material Monsters you used for the Fusion Summon of this card x 800 points. This card can attack as many of your opponent''s monsters each turn as the number of Fusion Material Monsters you used for the Fusion Summon of this card.