Yig and Yag

Yig ("Peza"): This +2 shortsword, magically enchanted and made with mithral, has a bright silver colored blade, and requires attunement in order to use the following abilities: light (as per the spell) three times per day.

Yag ("Lumo"): This +2 shortsword, magically enchanted and made with adamantine, has a dark, matte appearance, and requires attunement in order to use the following abilities: darkness (as per the spell) three times per day.