Stride (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] Stride this card on your from face down.
:When this unit attacks a vanguard, choose up to two of your rear-guards, and you may have them get +4000 until end of turn. If you do, at the end of turn, retire those units.