Dragon Masquerade, Harri DZ-SS02/017 TD

(This card cannot be in your main deck) [Stride]-Stride Step-COST [Discard a grade 3 card with "Harri" in its card name from your hand], 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) Magia-[AUTO](VC) Generation Break 2 :When this unit attacks a vanguard, COST [Counter Blast (1) & put two rear-guards into soul], choose up to two cards with different card names from your soul, call them to (RC), choose up to two of your opponent's rear-guards, and put them into soul. At the end of that turn, put that called unit into the soul.