Sword Saint of Invincibility, Daihouzan

:When this unit attacks a vanguard, [ 1 & 1], choose one of your opponent's rear-guards, return it to their hand, until end of that battle, this unit gets +5000/drive +1, and if your opponent's vanguard is grade 3 or greater and they have one or less rear-guards, this unit gets +10000/ +1. :When your opponent's normal unit is placed on during their turn, if your opponent's hand has four or more cards, your opponent chooses a card from their hand, and discards it.