"Waker Lv 4 (Available if you have 4 or more face-up [Waker] in your Dynamis.) [Boot]
Square
[0 Colorless]
You may choose a Cost 5 or less Z/X in your hand, and make it appear in empty Normal Square as Reboot. At the end of turn, remove that Z/X from game. This ability can only be played during your turn, and only once per turn."