Cryptkeeper of Nartum-Kaal

Menace
When Cryptkeeper of Nartum-Kaal enters the battlefield, you may return target creature from
your graveyard to your hand. If you control
Catacombs of Nartum-Kaal, you may return an additional creature from your graveyard to your
hand.
Few truly know what lurks in the depths of
Nartum-Kaal. But he does.