Fertile Ground (DDE) from Duel Decks: Phyrexia vs. the Coalition, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Carl Critchlow
• Card Text:
  Enchant land
  Whenever enchanted land is tapped for mana, its controller adds one mana of any color to his or her mana pool (in addition to the mana the land produces).