Raid "Retsu Unohana" Switch to active. May move to the front line. [When Played] Look at the top four cards of your deck. Reveal up to one character card with [Thirteen Court Guard Squads] affinity and 4 or less required energy among them and add it to your hand. Place the remaining cards on the bottom of your deck in any order. Reduce the AP cost of the next character card with 4 or less required energy you use from your hand this turn by 1.