Evening Bell (FGO/S87-E075 U) Fate/Grand Order THE MOVIE Divine Realm of the Round Table: Camelot Card details

If you have 2 or less red characters, this card cannot be played from your hand. Put this card into your Memory.
[AUTO] Memory At the beginning of your attack phase, if this card is in your Memory, put this card into your waiting room, choose 1 of your characters, and that character and the character facing that character get the following 2 abilities until end of turn. "[AUTO] When this card's battle opponent becomes [REVERSE], you may put that character on the top of your opponent's deck." "[AUTO] When this card's battle opponent becomes [REVERSE], you may choose 1 character in your waiting room, and return it to your hand."