Blitz security, Varnest: DZ Booster Set 08: Knights 0f Rebirth

[AUTO]:When this unit is placed on (RC), if you have a vanguard with Blitz in its card name, choose up to one set order from your drop, and put it on the bottom of the deck or into soul. [AUTO](RC):When your vanguard with Welstra in its card name and [Divine Skill] attacks, [COST][Soul-Blast 1] & retire this unit], choose a Product from your order zone, and operate it.