A Small Wish, Sakura (FS/S77-E037 C) [Fate/Stay Night [Heaven's Feel] Vol.2]

[AUTO] When this card is placed on the stage from your hand, if you have 4 or more other "Master" or "Servant" characters, you may choose 1 "Master" or "Servant" character in your waiting room, and put it into your stock. [AUTO] When this card attacks, choose 1 of your other "Master" or "Servant" characters, and that character gets +X power until end of turn. X is equal to the number of event cards in your waiting room ×1500.