[Auto]
Valid Square Trigger You draw cards. Effect You may put up to 2 [Metal Fortress] in your Trash face up under this card as Force. (If you draw 2 cards at once, put a total of 4 as Force.)
[Boot]
Valid Square Cost
Effect If there are 8 or more [Metal Fortress] as this card's Force, return all of your opponent's Z/X in Normal Square to deck, and shuffle the deck. This ability can only be played once per turn.