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.
:During your turn, if you have a heart card with "Sanctuary Guard" in its card name, all of the units in your front row get +3000 for each of your grade 1 or less rear-guards.