[AUTO]:When it is placed on (RC) from hand, [Cost][choose a grade 3 card with "Battle Sister" in its card name from your hand, and reveal it], search your deck for up to one grade 3 card with "Battle Sister" in its card name, reveal it, put it into your hand, choose a card from your hand, discard it, and shuffle your deck.
[CONT](Hand):While you are paying the cost for [Stride], this card gets grade +2.