Kayako

Indestructible, hexproof, fear, reach, deathtouch
Creatures and players can't have protection from
black. When Kayako enters the battlefield, exile
target creature. If Kayako exiles a creature, create
a copy token of exiled creature: It loses all types
and becomes a Demon Spirit with hexproof. If
Kayako would be put into a graveyard or exiled
for any reason, return it to your hand.
{b}{b}{b}{b}, {t}: Exile target creature. (This ability
can only be activated if target creature's control