Chittering Rats

When this creature enters, target opponent puts a card from their hand on top of their library.

Rancid Earth

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

Diabolic Edict

Target player sacrifices a creature of their choice.

Divest

Target player reveals their hand. You choose an artifact or creature card from it. That player discards that card.

Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Icequake

Destroy target land. If that land was a snow land, Icequake deals 1 damage to that land's controller.

Swamp

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Thorn of the Black Rose

Deathtouch
When this creature enters, you become the monarch.

Virus Beetle

When this creature enters, each opponent discards a card.

Befoul

Destroy target land or nonblack creature. It can't be regenerated.