Gremlin Mine (NPH) from New Phyrexia, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Matt Stewart
• Card Text:
  1, T, Sacrifice Gremlin Mine: Gremlin Mine deals 4 damage to target artifact creature.
  1, T, Sacrifice Gremlin Mine: Remove up to four charge counters from target noncreature artifact.