Ob Nixilis, Captive Kingpin 41/50 (March of the Machine: The Aftermath)

Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis. Exile the top card of your library. Until your next end step, you may play that card.

NM - $30.20
LP - $24.20
MP - $18.20
HP - $12.10
DMG - $6.10