Weapon(any bladed weapon), rare(requires attunment)

This dagger opalescent metal dagger changes color during the day or night. Turning onyx black at dusk and pearly white and dawn

You gain a +1 bonus to attack and damage rolls made with this magic weapon. When you hit with an attack using this magic dagger, the target takes an extra damage dice of radiant damage if they are in bright sunlight or necrotic damage if in direct moonlight. In addition this weapon hold 1d3-1 charges and while you hold this weapon you can use an action to expend a charge to cause a 10ft radius of bright or dim light based on the dagger form. The dagger all expended charges the next dawn/dusk.