Harley Quinn: Battle on the Big Boat (BNJ/SX01-042 R) [Batman Ninja]

[AUTO] When you use this card's "Backup", put the top X cards of your opponent's deck into his or her waiting room. X is equal to the number of "Villain" 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)