Yawgmoth, Thran Physician 336/289 (Time Spiral: Remastered)

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 - $63.90
LP - $51.10
MP - $38.40
HP - $25.60
DMG - $12.80