[Auto]<Valid> Charge <Trigger> Your ≪Yamato≫Ignition Overboost. <Effect> Draw a card. [Boot]<Player>≪Yamato≫<Valid> Trash <Cost> Put a Z/X in your Charge into Trash. <Effect> Put this card into Charge. This ability can only be played in your turn. Until end of turn, you cannot play the [Boot] ability of card named "Taciturn Classmate, Crepus".