Festercreep (CM2) from Commander Anthology Volume II, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Jeff Easley
• Card Text:
  Festercreep enters the battlefield with a +1/+1 counter on it.
  1B, Remove a +1/+1 counter from Festercreep: All other creatures get -1/-1 until end of turn.