Black Shadow (FS/S64-E061 R) [Fate/Stay Night [Heaven's Feel]]

[CONT] Assist All of your characters in front of this card get the following ability. "[AUTO] When this card becomes [REVERSE] in battle, if your stock has less cards than your opponent's stock, you may put this card into your stock." [CONT] If there is a marker underneath this card, and your level is 2 or higher, this card gets the following ability. "[ACT] [(1) Put this card into your waiting room] Choose 1 "Overwhelming Strength, Saber Alter" in your waiting room, and put it on any position on your stage."