Mana Maze | Magic: The Gathering
Formats Mana Maze is Legal in
Official Oracle Text for Mana Maze
—The Blind Seer
Official Rulings for Mana Maze
10/4/2004 : If a spell's color was changed while on the stack, use the color at the time it was when you started announcement, not as it currently is on the stack or as it was at the time it resolved.