Phyrexian Swarmlord (NPH) from New Phyrexia, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Svetlin Velinov
• Card Text:
  Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
  At the beginning of your upkeep, put a 1/1 green Insect creature token with infect onto the battlefield for each poison counter your opponents have.