Protagonist as JOKER: Phantom Thief of Hearts

【AUTO】 When you use this card's "Backup", choose one of your characters in battle, and that character gets the following ability until end of turn. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, put that character into your opponent's memory." 【ACT】 【COUNTER】 Backup 3000, Level 2 [(1) Put this card from your hand into your waiting room] (Choose one of your characters that is being frontal attacked, and that character gets +3000 power until end of turn)

Flavor Text: Your heart is mine!