True Brawler, Big Bang Knuckle Turbo

(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. :[ 1 & 1 & Choose a face down card from your G zone, and turn it face up] If you have a heart card with "Big Bang Knuckle" in its card name, until end of turn, this unit gets ":When this unit would choose a unit to attack, for each of your heart cards, choose up to three of your opponent's units, and this unit battles all of the chosen units in one attack.", and +5000 for each face up card named "True Brawler, Big Bang Knuckle Turbo" in your G zone.