[G Guardian]-Opponent Turn's Guard Step-[Choose a card with "[Heal] 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 there is 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.