When Accursed Centaur enters the battlefield, sacrifice a creature.

Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Black spells you cast cost more to cast.

: Andradite Leech gets +1/+1 until end of turn.

Flying

When Aphetto Vulture dies, you may put target Zombie card from your graveyard on top of your library.

Destroy target creature. Its controller discards a card.

Flying

At the beginning of your upkeep, mill a card.

Threshold — As long as seven or more cards are in your graveyard, Bloodcurdler gets +1/+1 and has "At the beginning of your end step, exile two cards from your graveyard."

Bog Hoodlums can't block.

When Bog Hoodlums enters the battlefield, clash with an opponent. If you win, put a +1/+1 counter on Bog Hoodlums. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Bog Serpent can't attack unless defending player controls a Swamp.

When you control no Swamps, sacrifice Bog Serpent.

When Brutal Nightstalker enters the battlefield, you may have target opponent discard a card.

Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.

Flying

: Target player loses 1 life.

Pay 1 life: Carrion Howler gets +2/-1 until end of turn.

As an additional cost to cast this spell, exile X creature cards from your graveyard.

Target creature gets -X/-X until end of turn.

When Colfenor's Plans enters the battlefield, exile the top seven cards of your library face down.

You may look at the cards exiled with Colfenor's Plans, and you may play lands and cast spells from among those cards.

Skip your draw step.

You can't cast more than one spell each turn.

Destroy target nonblack creature that entered the battlefield this turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)

Flying

Whenever Cursed Monstrosity becomes the target of a spell or ability, sacrifice it unless you discard a land card.

Flying

Destroy target nonblack creature. You gain 3 life.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Target player sacrifices two creatures.

Target player loses 1 life and you gain 1 life.

At the beginning of your upkeep, if you have more cards in hand than each opponent, you may return Death of a Thousand Stings from your graveyard to your hand.

Flying

: Deathknell Kami gets +1/+1 until end of turn. Sacrifice it at the beginning of the next end step.

Soulshift 1 (When this creature dies, you may return target Spirit card with mana value 1 or less from your graveyard to your hand.)

Destroy target creature. If that creature was a Human, you gain life equal to its toughness.

Flying

, Sacrifice Dementia Bat: Target player discards two cards.

Black spells you cast cost more to cast.

Flying

Flying

Whenever a player casts a spell, you lose 1 life.

When Enslaved Horror enters the battlefield, each other player may return a creature card from their graveyard to the battlefield.

Essence Drain deals 3 damage to any target and you gain 3 life.

, Discard a card: Face of Fear gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

, Sacrifice Famished Ghoul: Exile up to two target cards from a single graveyard.

Target creature gets -4/-2 until end of turn.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Felhide Brawler can't block unless you control another Minotaur.

Whenever Filthy Cur is dealt damage, you lose that much life.

, Discard a card: Fledgling Imp gains flying until end of turn.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Flow of Maggots can't be blocked by non-Wall creatures.

Enchant creature

Enchanted creature gets -1/-1 and is a black Zombie in addition to its other colors and types.

: At the beginning of your next upkeep, choose a basic land type. Giant Slug gains landwalk of the chosen type until the end of that turn. (It can't be blocked as long as defending player controls a land of that type.)

Return target creature card from your graveyard to your hand. Target player sacrifices a creature.

Hagra Crocodile can't block.

Landfall — Whenever a land enters the battlefield under your control, Hagra Crocodile gets +2/+2 until end of turn.

All creatures get -1/-0 until end of turn.

Whenever Hollow Dogs attacks, it gets +2/+0 until end of turn.

Target creature gets +4/+0 until end of turn.

When Infectious Host dies, target player loses 2 life.

Enchant creature

Enchanted creature gets -X/-X, where X is the number of cards in your hand.

Flying

Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)

: Target creature gets +1/+0 until end of turn.

: Target creature you control gains flying until end of turn. Sacrifice it at the beginning of the next end step.