Mayhem Force Wind Princess, Nirjarvis D-PS01/040 RR

[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), COST [Counter Blast (1)], choose one of your opponent's units for every ten cards in your soul, and they get [Critical]-1 until end of turn. (Two units get [Critical]-1 if your soul has twenty cards)