Nazaron

Deathtouch
When Nazaron enters the battlefield, create a colorless legendary artifact token named Phylactery and you lose 5 life.
Whenever you cast a blue or black spell, tap target creature.
{2}{b}: Destroy target tapped creature.
{2}{u}{u}: Gain control of target tapped creature.
{u/b}: Regenerate Nazaron if you control an artifact named Phylactery.