Waker Lv 2 [Auto] [Valid] Square [Trigger] This card appears. [Effect] For every 5 cards in your Trash, you may choose one of your opponent's Z/X in Normal Square, and destroy it. If 2 or more Z/X are destroyed, you may choose a Cost 3 or less Z/X in your Trash, and make it appear in empty Normal Square as Reboot.
Waker Lv 4 [Always] [Valid] Trash [Effect] If there are 4 or more cards in your Trash, this card's Cost is reduced by 2. However, the Cost cannot be equal or less than 0.