Oath of the Sword Saber (FS/S77-E003 RR) Fate/stay night [Heaven’s Feel] Vol.2 Card details

[AUTO] When this card is placed on the stage from your hand, you may put the top card of your clock into your waiting room.
[AUTO] [CXCOMBO] [Put 3 "Master" or "Servant" characters from your hand into your waiting room] When this card attacks, if "Excalibur" is in your climax area, you may pay the cost. If you do, choose 1 of your characters, and that character gets the following ability until end of turn. "[AUTO] This ability activates up to 1 time per turn. When damage dealt by this card is canceled, you may deal 3 damage to your opponent 2 times." (Damage may be canceled)