[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 "HEAL" from your hand, and discard it] Call this card to your (GC) from face down.
[AUTO]:[Choose a unit in your back row, and lock it] When this unit is placed on (GC), you may pay the cost. If you do, this unit gets [Shield]+5000 until end of that battle.
