Dazzling Mutant Deity, Waspy Tail

-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. :[ 1 & Choose a face down card from your G zone, and turn it face up] When this unit's attack hits a vanguard, you may pay the cost. If you do, choose one of your opponent's units, and all of your opponent's rear-guards on in the same column or row as the or that unit is on cannot during your opponent's next stand phase.