Head of the Bastion, Ardillo (G-TCB02/S11EN) [The GENIUS STRATEGY]

[ 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 any number of your rear-guards, retire them, and if the number of your open (RC) is three or more, this unit gets [Shield]+10000 until end of that battle.