"Waker Lv 3 [Always] [Valid] Hand [Effect] If there is an Event in your Trash, this card's Cost is reduced by 2. However, the Cost cannot be equal to or less than 0. Waker Lv 4 [Auto] [Valid] Square [Trigger] This card appears by being played. [Effect] Choose one of your opponent's Z/X in Normal Square, and put it on the bottom of deck. If there is an Event in your Trash, you may choose a Cost 2 or less Event in your Trash, and return it to hand."