Serana, Freed from Death

Vigilance, lifelink
When Serana is put into exile from the battlefield, if it had no keyword counters on it,
exile another target creature you control. At the
beginning of your next end step, return Serana
and the exiled creature to the battlefield each
with a deathtouch counter.
Pay 5 life, Sacrifice 2 Artifacts: Exile Serana,
Freed from Death.