It's better to build up karma, you know? Because it comes in handy during times like these!
[G Guardian]-Opponent Turn's Guard Step-[COST][Discard a card with [Heal] from your hand], and call this card to your (GC) from face down. [AUTO]:When this unit is put on (GC), choose one of your rear-guards, and it gets"[AUTO](RC):At the end of the battle your opponent's unit attacked, if that attack did not hit, [COST][Soul-Blast 1]], and you may return this unit to your hand." until end of turn. This unit gets [Shield] +10000 until end of that battle for each of your units with the same card name as the chosen unit.