Metal Element, Scryew

[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 card from your hand, and discard it] When this unit is placed on (GC), if the number of face up cards in your G zone is one or more, you may pay the cost. If you do, this unit gets [Shield]+10000 until end of that battle.

[CONT]:This card is also of all clans and nations.