Enma Stealth Dragon, Maguntenbu

(This card cannot be in your main 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 you stride, your original vanguard becomes a heart card, and this unit gets that card's and card name. At the end of the turn, return this unit face up) Dominate -:[ 1 & turn a card from G zone face up], choose one of your opponent's rear-guards, and dominate it, it attacks your opponent's other unit, and retire that dominated unit at the end of that battle.