Holy Seraph, Raphael

(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] this card on your from face down. (This ability is active if you have two or more face up G units in total on your or G zone):[Choose a face down card named "Holy Seraph, Raphael" from your G zone, and turn it face up] Choose a card from your damage zone, and heal it.