Sky Guardian Supreme Dragon, Counteract Dragon D-PS01/035 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), your opponent chooses up to two of their front row rear-guards, and binds them. If two cards were not bound, until end of that battle, this unit gets [Shield]+10000, and if no cards were bound, it gets [Shield]+10000.