Super Heavy Chariot, Tiger Centurion

-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 any number of your rear-guards with the charge ability, and they become charging until end of turn. Choose up to five of your rear-guards other than the units chosen with this effect, and they get +2000 until end of turn.