Harmonics Messiah

:You may only have one "Harmonics Messiah" G Unit in a G deck. -Stride Step-[Choose one or more cards from hand with the sum of their grades being 3 or greater, and discard them], and this card on your from face down. :When this unit is placed on , choose any number of your locked cards, and unlock them. Choose the same number of cards from your hand as the number of cards unlocked by this effect, and discard them. /G Zone:When this unit is placed on , or at the beginning of your turn, if this card is face up, your damage zone has two or less cards, and no new card was put into your damage zone during your opponent's preceding turn, [put the top card of the deck into damage zone], and draw a card. G Zone:When your grade 1 unit is placed by riding from a grade 0, if you went second, [reveal this card], and put a Guardian Shield ticket into your hand.