Rancid Earth

: This creature deals 1 damage to each creature and each player.

Threshold — : This creature deals 3 damage to each creature and each player. Activate only if there are seven or more cards 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.

Add .

Threshold — Add instead if there are seven or more cards in your graveyard.

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.

Target player sacrifices a creature or planeswalker of their choice.

Delirium — If there are four or more card types among cards in your graveyard, instead that player sacrifices a creature and a planeswalker of their choice.