"[Always] [Valid] Square [Effect] Your "Ayase Kamiyugi" in Square gains the following ability. " [Boot] [Valid] Square [Cost] [Sleep] [Effect] Until end of turn, all of your opponent's current Z/X in Square has their Cost reduced by 3. However, the Cost cannot be equal to or less than 0." [Auto] [Player] "Ayase" [Valid] Square [Trigger] This card attacks. [Effect] You may choose a Black card in your hand, and put it into Trash. If you do, put all of your opponent's Cost 3 or less Z/X in Square into Trash."