Gray Merchant of Asphodel
b06078ce-f534-4e16-9a70-d51620a33eb2
$0.25 CND
When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)