[G guardian]-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] Generation Break 1:[Choose a face down G guardian from your G zone, and turn it face up] When this unit is placed on (GC), if you have a rear-guard in your front row, you may pay the cost. If you do, this unit gets [Shield]+10000 until end of that battle.