Contaminated Bond

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature attacks or blocks, its controller loses 3 life.

Cruel Edict

Target opponent sacrifices a creature of their choice.

Dark Banishing

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

Death Pits of Rath

Whenever a creature is dealt damage, destroy it. It can't be regenerated.

Deathgazer

Whenever this creature blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Diabolic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Drudge Skeletons

{B}: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Enfeeblement

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets -2/-2.

Ninth Edition