Drana's Silencer is a common Creature — Vampire Rogue card from Zendikar Rising (ZNR), collector number 99. Current market price: $0.13 (foil $0.07), TCGplayer market prices via Scryfall.
When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)