Masand: When a piece X gives a direct check with its move, all pieces of the same color controlled by X and all pieces of opposite color attacked by X, except for the Kings, change color.

Nightrider (N): (1,2) Rider. Operates along straight lines with squares lying a Knight’s move away from each other.

LEO (LE): Chinese Queen. Moves as Queen, but captures only by hopping over a hurdle to any square beyond.