The ritual was normally performed only by horrors and pit spawn. Lesser mages had but one sanity to crack in the casting.

Call to the Netherworld

Return target black creature card from your graveyard to your hand.
Madness {0} (If you discard this card, you may play it for its madness cost instead of putting it into your graveyard.)

Return target black creature card from your graveyard to your hand.
Madness {0} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)