Cabal Ritual

Add for each creature card in your graveyard.

Return target creature card from your graveyard to your hand.

Threshold — Return that card from your graveyard to the battlefield instead if there are seven or more cards in your graveyard.

Target nonblack creature gets -1/-1 until end of turn.

Threshold — If there are seven or more cards in your graveyard, instead destroy that creature. It can't be regenerated.

Destroy target land.

Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +2/+2 and can't block.

Target creature gets -5/-5 until end of turn.

Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.