Ivannithil's Smile

Requires attunement.
+2 to attack and damage rolls.
Deals +2d6 radiant damage.
{0}: Transform the blade from longsword to greatsword or back as a bonus action.
{t}: As an action, the blade emits a scything arc of moonlight out to 30 feet. This deals damage as if
being hit with a melee attack.