Genesis Dragon, Trans-else Messiah DZ-BT06/SEC04 SEC

(This card cannot be in your main deck) [Stride]-Stride Step-COST [Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them], and Stride this card on your (VC) from face down. (When you stride, your original vanguard becomes a heart card, and this unit gets that card's [Power] and card name. At the end of the turn, return this unit face up) [AUTO](VC) Generation Break 3:When this unit attacks a vanguard, COST [Counter Blast (1)], unlock all of your locked cards, choose up to the same number of your opponent's rear-guards as the number of face up cards in your G zone, and lock them. Choose the same number of your rear-guards as the number of face up "Genesis Dragon, Trans-else Messiah" in your G zone, and they get [Power]+5000 until end of turn.