Yawgmoth, Thran Physician 116 (Modern Horizons)

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.)

NM - $67.80
LP - $54.20
MP - $40.70
HP - $27.10
DMG - $13.60