Chimeratech Fortress Dragon (JUMP-EN031) - Shonen Jump Magazine Promos Limited

"Cyber Dragon" + 1 or more Machine-Type monsters.
This monster cannot be used as a Fusion Material Monster. You can only Special Summon this card from your Extra Deck by sending the above cards from either side of the field to the Graveyard. (You do not use "Polymerization".) The original ATK of this card is equal to 1000 x the number of Fusion Material Monsters used to Special Summon it.