Aurora Battle Princess, Picott Cadnim

[AUTO]:When this card is discarded from hand during your turn, you may put this card into soul. [AUTO](RC):When this unit boosts a grade 3 or greater unit with "Seraph" in its card name, your opponent chooses a card from their drop, and imprisons it in your Prison. If three or more of your opponent's cards are imprisoned in your Prison, this unit gets [Power]+2000 until end of that battle.