Acidic Slime (M11) from Magic 2011, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Karl Kopinski
• Card Text:
  Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
  When Acidic Slime enters the battlefield, destroy target artifact, enchantment, or land.