Cardfight!! Vanguard - Future Card Buddyfight - Green Dragon Shield (H) DZ-TB01/H26EN

[CONT]:During your opponent's turn's guard step, this card can be called to (GC) as a trigger unit, and it becomes a Grade 0/[Shield]15000 guardian. [AUTO]:When this card is put on (GC), if your damage zone has no face up cards, [COST][discard a card from hand], and [Counter-Charge 1].