C Dining with the Master Fern (Sensate no Shokji Fern)

When damage dealt by your character is canceled, if other damage dealt by your character is canceled during that turn, you choose a card in your waiting room and put it face up as a marker under this card. When a marker is placed under this card, if there are 3 or more markers under this card, put this card in your waiting room. [Rest] [Rest this card] You choose one of your characters, and its power becomes +2500 during that turn.