Rulings

• 2004-10-04
  If the land produces more than one color of mana at a single time, its controller chooses which of those types is produced by Mana Flare's ability.
• 2004-10-04
  The types of mana are white, blue, black, red, green, and colorless.
• 2004-10-04
  When used with lands that can produce multiple colors, Mana Flare produces one additional mana of the same color that was produced. It can't give a mana of a color that wasn't produced.
• 2004-10-04
  Only produces extra mana when land is tapped for mana, not when tapped by some other effect.
• 2004-10-04
  This is a triggered mana ability.
• 2007-09-16
  Does not copy any restrictions on the mana, such as with Mishra's Workshop or Pillar of the Paruns.
• 2007-09-16
  Produces only one additional mana, regardless of how much was produced by tapping the land.
• 2004-10-04
  Mana Flare adds one of whatever color the land produces after applying any land type or color changing effects.