Lockjaw Snapper (SHM) from Shadowmoor, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Daren Bader
• Card Text:
  Wither (This deals damage to creatures in the form of -1/-1 counters.)
  When Lockjaw Snapper is put into a graveyard from play, put a -1/-1 counter on each creature with a -1/-1 counter on it.