Ritualistic Sacrifice

As an additional cost to cast Sacrificial Death sacrifice a creature.
Destroy target nonland permanent, then reveal
cards from the top of your library until you reveal
a nonland card that costs less than the sacrificed creature's converted mana cost. You may cast
that card without paying its mana cost(You still
have to pay its other costs.)If you don't put in
your graveyard. Put the revealed cards into
your graveyard.