Microscopium, Natural Planet (WXDi-P06-082P[EN]) [Welcome Back Diva: selector]

[Enter]: Put the top card of your deck into your trash. Then, if a level one SIGNI was put into your trash this way, you may pay (C). If you do, target SIGNI on your opponent's field gets -5000 power until end of turn. (If a SIGNI's power drops to 0 or less, it is vanished as a rule-based action.)