[G guardian] (Usable when both fighters' vanguards are grade 3 or greater, and the number of face up G guardians in your G zone if three or less) -Opponent Turn's Guard Step-[Choose a card with "Heal" from your hand, and discard it] Call this card to your (GC) from face down. [AUTO]:When this unit is placed on (GC), choose up to two locked cards, and unlock them. If a total of two units were unlocked with this effect, this unit gets [Shield]+10000 until end of that battle.