Batwing Brume | Magic: The Gathering
Formats Batwing Brume is Legal in
Official Oracle Text for Batwing Brume
Official Rulings for Batwing Brume
8/1/2008 : The spell checks on resolution to see if any mana of the stated colors was spent to pay its cost. If so, it doesn't matter how much mana of that color was spent.
8/1/2008 : If the spell is copied, the copy will never have had mana of the stated color paid for it, no matter what colors were spent on the original spell.