Demons' Attack, Frieren

[AUTO] When you use this card's "Backup", if you have an "Adventurer" or "Magic" character, choose 1 of your characters in battle, and that character gets +1000 power until end of turn.
[ACT] [COUNTER] Backup 1500, Level 1 [Reveal this card in your hand & Put it at the bottom of your deck] (Choose 1 of your characters that is being frontal attacked, and that character gets +1500 power until end of turn)