Dragritter, Dirgham

:When this unit is placed on , if you have a grade 3 or greater vanguard with "Eugene" or "Gandeeva" in its card name, [ 1 & 3], choose one of your opponent's rear-guards, and retire it. If you did not retire a card, draw a card, and this unit gets ":At the end of the battle your vanguard attacked, choose one of your front row rear-guards, and it." until end of turn. :If you played a normal order this turn, this unit gets "Boost".