Yawgmoth, Thran Physician

Legendary Creature — Human Cleric {2}{B}{B} 2/4

Protection from Humans Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card. {B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)