Blue Adamas, Natural Pyroxene (WXDi-P06-036P[EN]) [Welcome Back Diva: selector]

[Auto]: At the beginning of your attack phase, reveal the top card of your deck and draw a card. Then, if a "Jewel" SIGNI is revealed with this effect, you may pay (U)(R)(C). If you do, vanish target SIGNI on your opponent's field.