Agonizing Decision, Shinji (FS/S64-E035 U) [Fate/Stay Night [Heaven's Feel]]

[CONT] This card cannot be chosen by your opponent's effects. [AUTO] [CLOCK] Alarm [Put 1 card from your hand into your waiting room] If this card is the top card of your clock, at the beginning of your climax phase, you may pay the cost. If you do, choose 1 "Master" or "Servant" character in your waiting room, and return it to your hand.