[Boot]<Valid> Square <Cost><Effect> Choose up to one Cost 6 or less [Mermaid] in your hand, and make it appear on Normal Square without Z/X in Reboot State. At the end of turn, put that Z/X on the top of deck. This ability can only be played in your turn, and only once per turn. Mermaid Lv 2[Auto]<Valid> Square <Trigger> This card appears. <Effect> Choose one of your opponent's Z/X on Normal Square, and return it to hand.