Omniscience Dragon, Fernyiges

-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. :This unit gets +4000 for each of your rear-guards. :[ 1 & 1] When this unit is put into your G zone from , you may pay the cost. If you do, at the end of that turn, choose all of your rear-guards, retire them, and for each unit chosen with this effect, draw a card, and 1/ 1.