
When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
Blight-Breath Catoblepas has 1 printing, first in Theros Beyond Death (2020). EDHREC ranks it #25,079 among Commander cards. It has 6 official rulings.
Cards that show up in the same decks on EDHREC.