Nemesis

Each player loses 1 life for each creature they control.

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.

{1}{B}, Discard a creature card: Volrath the Fallen gets +X/+X until end of turn, where X is the discarded card's mana value.

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...

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.

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.

Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If...

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

{1}{B}, {T}, Discard a card: Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you ...

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.

{1}{B}, Discard a creature card: Volrath the Fallen gets +X/+X until end of turn, where X is the discarded card's converted mana cost.

{B}, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

Spineless Thug can't block.

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

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

{B}, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate this ability onl...

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

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...

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