Norn's Choirmaster 8 (Commander: Phyrexia: All Will Be One)

Flying, first strike Whenever a commander you control enters or attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

NM - $22.00
LP - $17.60
MP - $13.20
HP - $8.80
DMG - $4.40