{T}: Add one mana of any color.

{T}, Sacrifice Basal Thrull: Add {B}{B}.

Whenever a creature dies, put a charge counter on Black Market.

At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.

Bloodsoaked Champion can't block.

Raid -- {1}{B}: Return Bloodsoaked Champion from your graveyard to the battlefield. Activate only if you attacked this turn.

When Cathodion dies, add {C}{C}{C}.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

When Coal Stoker enters the battlefield, if you cast it from your hand, add {R}{R}{R}.

When Disciple of Bolas enters the battlefield, sacrifice another creature. You gain X life and draw X cards, where X is that creature's power.

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

{2}: Put a charge counter on Gemstone Array.

Remove a charge counter from Gemstone Array: Add one mana of any color.

Whenever a creature you control dies, each other player sacrifices a creature.

{T}, Sacrifice a creature: Return target creature card from your graveyard to the battlefield. Activate only during your upkeep.

Partner with Regna, the Redeemer (When this creature enters the battlefield, target player may put Regna into their hand from their library, then shuffle.)

{B}, Sacrifice X creatures: Target player draws X cards and gains X life. Put X +1/+1 counters on Krav, the Unredeemed.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

When Myr Moonvessel dies, add {C}.

Haste

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever another creature is put into your graveyard from the battlefield, you may pay {B}. If you do, return Nether Traitor from your graveyard to the battlefield.

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

At the beginning of each upkeep, if you control no Snakes, create a 1/1 black Snake creature token with deathtouch.

{T}: Add {C}{C}.

At the beginning of your upkeep, you draw a card and you lose 1 life.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

{1}, {T}: Add {B}{R}.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

{1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped.

Sacrifice a creature: Target player discards two cards. Activate only as a sorcery.

As an additional cost to cast this spell, discard X cards.

Sickening Dreams deals X damage to each creature and each player.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Cycling--Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

{T}: Add {C}.

{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

Put onto the battlefield under your control all creature cards in all graveyards that were put there from the battlefield this turn.

{B}, Discard a creature card: Return target creature card from your graveyard to your hand.

Destroy target artifact you don't control.

Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")