Breath Melting to White, Reirin

[AUTO]:When this unit is placed on (RC), choose up to one of your opponent's front row rear-guards, and return it to hand. If you did not choose a card, you may [Soul-Charge 1].
[AUTO](RC):When your vanguard with "Siana" in its card name attacks, if your opponent's front row has no rear-guards, [COST][put this unit into soul], draw a card, if you persona rode this turn, and your unit did not [Stand] this battle phase, choose one of your rear-guards, and [Stand] it.