Shana Hesitating [Shakugan no Shana Premium Booster]

[CONT] All of your other "Flame" characters get +500 power. [ACT] [[REST] this card] Choose 1 of your characters, and that character gets the following ability until end of turn. "[AUTO] When this card's battle opponent becomes [REVERSE], you may put that character into your opponent's stock. If you do, put the bottom card of your opponent's stock into their waiting room."