Nihongou

(Released when both players' vanguards are grade 3 or greater!)-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. (Active if you have two or more face up G units in total on your or G zone):[ 1 & Choose a face down "Nihongou" from your G zone, and turn it face up] When this unit attacks, you may pay the cost. If you do, until end of that battle, this unit gets +3000 for each of your rear-guards at , and your opponent cannot call cards with the sentinel ability from hand to .