Traces of Her Brother, Kei [Kaguya-Sama: Love is War?]

[AUTO] When you use this card's "Backup", put the bottom X cards of your opponent's deck into their waiting room. X is equal to the number of "Shuchiin" characters you have. [ACT] [COUNTER] Backup 3000, Level 2 [(1) Put this card from your hand into your waiting room] (Choose 1 of your characters that is being frontal attacked, and that character gets +3000 power until end of turn)