Silvered War Flute

In darkness, the unsheathed blade of this sword sheds moonlight, creating bright light in a 15-foot radius and dim light for an additional 15 feet. If a bard is wielding the Silvered War Flute, it also gains the following effects:
The user may use their action to play the Silvered War Flute;
While the flute is being played, weapon attacks within 60 feet of them that they designate may be treated as though they are silvered weapons. When the user plays the SWF, they can cast the
spell Shape Water as a