"Great Holy Grail War" Saber of Red

【AUTO】 When this card is placed on the stage from your hand, look at up to X cards from the top of your deck, choose up to one card from among them, put it into your hand, and put the rest into your waiting room. X is equal to the number of 《Master》 or 《Servant》 characters you have.【AUTO】 When this card attacks, this card gets +X power until end of turn. X is equal to 1000 multiplied by the number of other 《Master》 or 《Servant》 characters you have.