A portrait photograph is mysteriously changed out of a frame.
The date on that note of yours kept mysteriously changing.
One of our editors said the radio mysteriously changed stations on its own twice during a turn.
He didn't want it changing mysteriously depending on the whim of the original owners.
Apart from her memories, her personality has also mysteriously changed.
Some new paints mysteriously change hues, depending on the viewing angle.
The initials mysteriously change every time the current person decides on a new person to receive the responsibility.
He had mysteriously changed his clothes after he vanished.
The B major area dissolves as the harmony mysteriously changes character via secondary dominant.
The whole situation had mysteriously changed again.