Waker Lv 2 [Auto] <Valid> Square <Trigger> This card appears. <Effect> You may choose 1 of your opponent's Z/X on Normal Square for every 5 cards in your Trash, and destroy them. If 2 or more Z/X are destroyed, you may choose 1 Cost 3 or less Z/X in your Trash, and make it appear on Normal Square without Z/X in Reboot State.
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 0 or less.