Vin, Ascendant Warrior

Flying, Vigilance.
Tap an untapped artifact you control: Vin gets
+1/+0 until the end of turn.
{2}{w}{w}{w}, Exile Vin, Ascendant Warrior: Return
it to the battlefield transformed into Vin, Shard
of Preservation. Activate this ability only if you
don't control other black creatures.