Aurora Battle Princess, Corner Citrus

:When this unit is placed on , your opponent chooses a card from their drop, and imprisons it in your Prison. If they imprisoned a card, 3, and you draw a card. :When your grade 3 or greater vanguard with "Seraph" in its card name attacks, if three or more of your opponent's cards are imprisoned in your Prison, this unit gets +10000 until end of turn. If five or more cards are imprisoned, 1, and this unit.