Shang Tsung, Soul Collector

Ward{2}
At the beginning of each end step, put a
soul counter on a target creature. If a creature
with a soul counter would die, exile it under
Shang Tsung, Soul Collector instead.
{1}{p/b}: Become a copy of target creature exiled
with Shang Tsung, Soul Collector and gains
"pay 1 life: Exile this creature and return it to
the battlefield under its owners control."