Flying

When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

At the beginning of your upkeep, sacrifice a creature.

Flying, trample

You can't win the game and your opponents can't lose the game.

{T}: Add one mana of any color in your commander's color identity.

Binding Contract -- If you would draw a card, exile the top card of your library face down instead.

{B}{B}{B}: Draw seven cards.

{B}: Return all cards exiled with Asmodeus the Archfiend to their owner's hand and you lose that much life.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Blighted Agent can't be blocked.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.

{T}: Add {U} or {B}.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Add {B}{B}{B}.

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

When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.

Flying

At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{B}.

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

Flying

{T}: Exchange control of two target nonlegendary creatures. You can't activate this ability during combat.

Drinker of Sorrow can't block.

Whenever Drinker of Sorrow deals combat damage, sacrifice a permanent.

Choose one --

• Counter target spell with mana value less than or equal to the number of cards in its controller's graveyard.

• Destroy target creature with mana value less than or equal to the number of cards in its controller's graveyard.

Flying

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

Whenever Ebonblade Reaper attacks, you lose half your life, rounded up.

Whenever Ebonblade Reaper deals combat damage to a player, that player loses half their life, rounded up.

Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Non-Eye creatures you control can't attack.

Evil Eye of Orms-by-Gore can't be blocked except by Walls.

Non-Eye creatures you control can't attack.

Whenever Evil Eye of Urborg becomes blocked by a creature, destroy that creature.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

{T}: Add one mana of any color that a land an opponent controls could produce.

Whenever Flesh Reaver deals damage to a creature or opponent, Flesh Reaver deals that much damage to you.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Destroy target nonartifact creature.

Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Graf Reaver exploits a creature, destroy target planeswalker.

At the beginning of your upkeep, Graf Reaver deals 1 damage to you.

At the beginning of your upkeep, sacrifice a permanent.

Whenever Greater Harvester deals combat damage to a player, that player sacrifices two permanents.

You can't cast creature spells.

At the beginning of your upkeep, you lose 2 life.

Morph {2}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Trample

At the beginning of your upkeep, discard a card if you don't control an Ogre.

Whenever Hasran Ogress attacks, it deals 3 damage to you unless you pay {2}.

Destroy target creature. You lose 2 life.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.)

Whenever a creature you own but don't control attacks, you draw a card.

Exchange control of target artifact or creature and another target permanent that shares one of those types with it. (This effect lasts indefinitely.)

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than Liege of the Pit. If you can't, Liege of the Pit deals 7 damage to you.

Morph {B}{B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Flying

At the beginning of your upkeep, each opponent draws a card.

Mist-Cloaked Herald can't be blocked.

Counter target noncreature spell.

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

At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

At the beginning of your upkeep, you get a poison counter.

At the beginning of your upkeep, you lose 2 life.

Dash {2}{B}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

At the beginning of your end step, sacrifice each other creature you control.

Discard two cards, Sacrifice Plague Reaver: Choose target opponent. Return Plague Reaver to the battlefield under that player's control at the beginning of their next upkeep.

When Plaguecrafter enters the battlefield, each player sacrifices a creature or planeswalker. Each player who can't discards a card.

When Priest of the Blood Rite enters the battlefield, create a 5/5 black Demon creature token with flying.

At the beginning of your upkeep, you lose 2 life.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

At the beginning of your upkeep, discard a card.

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Flying

At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Target player draws two cards and loses 2 life.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Slither Blade can't be blocked.

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

You can't cast creature spells.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

({T}: Add {U} or {B}.)

Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

{T}: Add {C}.

{T}: Add {U} or {B}. Activate only if you control a Swamp.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Temple of Deceit enters the battlefield tapped.

When Temple of Deceit enters the battlefield, scry 1.

{T}: Add {U} or {B}.

Menace

Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.

{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.

{3}{B}: Untap Tergrid's Lantern.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flying

Your maximum hand size is reduced by four.

Flying

Your maximum hand size is reduced by three.

You have no maximum hand size.

{T}: Add {C}.

Triton Shorestalker can't be blocked.

Whenever another creature enters the battlefield, you lose 1 life.

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.