Oppression

Whenever a player casts a spell, that player discards a card.

Swamp

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.

Expunge

Destroy target nonartifact, nonblack creature. It can't be regenerated.
Cycling {2} ({2}, Discard this card: Draw a card.)

Rain of Filth

Until end of turn, lands you control gain "Sacrifice this land: Add {B}."

Pariah

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Shimmering Barrier

Defender (This creature can't attack.)
First strike
Cycling {2} ({2}, Discard this card: Draw a card.)

Voice of Grace

Plains

Disciple of Grace

Protection from black
Cycling {2} ({2}, Discard this card: Draw a card.)