Needlefish, Phantom Aquatic Beast (WXDi-P11-067[EN]) [Reunion Diva]

[Enter] (U): Target SIGNI on your opponent's field gets -2000 power until end of turn. If you have discarded two or more cards this turn, it gets -3000 power until end of turn instead. (If a SIGNI's power drops to 0 or less, it is vanished as a rule-based action.)