Cardfight!! Vanguard - Future Card Buddyfight - Water Technique, Minawagakushi (H) DZ-TB01/H65EN

Choose one of any player's rear-guards, and return it to hand. [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]5000 guardian.