Nemesis

Sacrifice Seal of Doom: Destroy target nonblack creature. It can't be regenerated.

Defender (This creature can't attack.) {1}{B}: Regenerate Carrion Wall.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {2}, {T}: Search your library for a Mercenary permanent ...

Spineless Thug can't block.

Each player loses 1 life for each creature they control.

Enchant creature Fading 1 (This enchantment enters the battlefield with one fade counter on it. At the beginning of your upkeep, remove a fade coun...

When Phyrexian Driver enters the battlefield, other Mercenary creatures get +1/+1 until end of turn.

Vicious Hunger deals 2 damage to target creature and you gain 2 life.

At the beginning of your upkeep, Spiteful Bully deals 3 damage to target creature you control.

Flying Belbe's Percher can block only creatures with flying.

{B}, {T}, Discard a card: Target creature gets -1/-1 until end of turn.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Each player exiles two cards from their hand.

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If y...

{1}{B}{B}, {T}: Destroy target tapped nonblack creature. {3}, {T}: Search your library for a Mercenary permanent card with converted mana cost 3 or...

When Rathi Fiend enters the battlefield, each player loses 3 life. {3}, {T}: Search your library for a Mercenary permanent card with converted mana...

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Creatures you control get +2/+0 until end of turn.

When Death Pit Offering enters the battlefield, sacrifice all creatures you control. Creatures you control get +2/+2.

Flying Battlefield Percher can block only creatures with flying. {1}{B}: Battlefield Percher gets +1/+1 until end of turn.

Defender (This creature can't attack.) {1}{B}: Regenerate Carrion Wall.

If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end o...

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Creatures you control get +2/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) Other black creatures get +1/+1. Nonblack creatures get -1/-1.