Kenjaku, the Cruel

Whenever Kenjaku, the Cruel would be put into a graveyard from anywhere, exile it and choose another creature you control. The chosen creature becomes a
copy of Kenjaku, the Cruel with all abilities of Kenjaku,
the Cruel, including all abilities of other copies of
Kenjaku, the Cruel.
{2}{u/b}{u/b}, {t} — sacrifice Kenjaku, the Cruel, search
your library for a card, put it into your hand and
shuffle your library