Suggestive Big Sister, Amane [The Fruit of Grisaia]

[AUTO] [Put 1 "Psychology Test, Kazuki" from your hand into your waiting room] When you use this card's"Backup", you may pay the cost. If you do, return all cards from your waiting room to your deck, and shuffle your deck. [ACT] [COUNTER] Backup 2500, 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 +2500 power until end of turn)