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 instead.
{1}{p/b}: Shang Tsung becomes a copy of target
creature exiled with Shang Tsung expect its name
is still Shang Tsung and it still has this ability