Holy Dragon, Defendhold Dragon

(Usable when both fighters' vanguards are grade 3 or greater, and the number of face up G guardians in your G zone is three or less)-Opponent Turn's Guard Step-[Choose a card with "[Heal] Heal" from your hand, and discard it] Call this card to your from face down. Brave (Active when you have three or less cards in your hand):When this unit is placed on during the battle that your opponent's vanguard attacked, choose one of your units with the brave ability, and it cannot be hit until end of that battle.