Murderous Redcap (UMA) from Ultimate Masters, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Dave Allsop
• Card Text:
  When Murderous Redcap enters the battlefield, it deals damage equal to its power to any target.
  Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)