Silverquill Silencer 
Creature — Human Cleric
As this creature enters, choose a nonland card name. Whenever an opponent casts a spell with the chosen name, they lose 3 life and you draw a card.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL