Sterling Witch, MoMo

-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. :When it attacks, [ 1 & turn a card from your G zone face up], discard up to three cards from your hand, and for each card discarded, three of your front row units get +10000 until end of turn. If you discarded three cards, at the end of that battle, this unit, and it gets drive -2.