Utopia Sprawl (AFC) from Forgotten Realms Commander, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Ron Spears
• Card Text:
  Enchant Forest
  As Utopia Sprawl enters the battlefield, choose a color.
  Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.