The accumulated effort, will open up new possibilities.

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.
:[Choose a card name "Marine General of Heavenly Silk, Lambros" from your G zone, and turn it face up] When this unit attacks a vanguard, if it is the fourth battle of that turn or more, you may pay the cost. If you do, choose up to two of your rear-guards, and them. Then, if the number of face up cards in your G zone is two or more, the units that by this effect get +10000 until end of turn