Utopia Sprawl (DIS) from Dissension, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Ron Spears
• Card Text:
  Enchant Forest
  As Utopia Sprawl comes into play, choose a color.
  Whenever enchanted Forest is tapped for mana, its controller adds one mana of the chosen color to his or her mana pool.