Aurora Battle Princess, Capture Cherrino

[AUTO](RC):When this unit attacks, if you have a grade 3 or greater vanguard with "Seraph" in its card name, [COST][Soul-Blast 1], your opponent chooses a card from their drop, imprisons it in your Prison, and this unit gets [Power] +5000 until end of that battle. [AUTO](RC):At the end of the battle this unit attacked, [COST][retire this unit], choose one of your opponent's cards imprisoned in your Prison, and put it on the bottom of the deck. If you chose a card, draw a card.