Voryn Dagoth, High Councilor

Deathtouch
If Voryn Dagoth, High Councilor would die,
instead exile it with three heart counters on it.
At the beginning of your upkeep, if Voryn Dagoth
is exiled with a heart counter on it, remove a
heart counter from it. Then if Voryn Dagoth has
no heart counters on it, return it to the
battlefield transformed.