Transmigratory Dragon, Holy Squire Dragon

(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. :[Choose a face down card named "Transmigratory Dragon, Holy Squire Dragon" from your G zone, and turn it face up] If you have a heart card with "Alfred" in its card name, unlock all of your locked cards, and until end of turn, this unit gets ":During your turn, all of your rear-guards get +2000." and "(This ability is active if you have three or more face up G units in total on your or G zone):During your turn, this unit gets +3000 for each of your rear-guards.".