When Abyssal Gatekeeper dies, each player sacrifices a creature.

Flying, trample

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

Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times.

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

Enchant creature card in a graveyard

When Animate Dead enters the battlefield, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.

Enchanted creature gets -1/-0.

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

{1}{B}, Pay 2 life: Draw a card.

At the beginning of your upkeep, if you have 5 or less life, you may transform Arguel's Blood Fast.

(Transforms from Arguel's Blood Fast.)

{T}: Add {B}.

{T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Sacrifice a creature: Add {C}{C}.

{T}: Add {B}.

{T}: Add {R}.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Menace, indestructible

Bontu the Glorified can't attack or block unless a creature died under your control this turn.

{1}{B}, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life.

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

As an additional cost to cast this spell, sacrifice a creature.

Create X 0/1 black Insect creature tokens, where X is the sacrificed creature's power.

Cinder Barrens enters the battlefield tapped.

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

{T}: Add {U}.

{T}: Add {B}.

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

When Commander Greven il-Vec enters the battlefield, sacrifice a creature.

Crovax the Cursed enters the battlefield with four +1/+1 counters on it.

At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.

{B}: Crovax gains flying until end of turn.

Crumbling Necropolis enters the battlefield tapped.

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

When Crypt of the Eternals enters the battlefield, you gain 1 life.

{T}: Add {C}.

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

Add {B}{B}{B}.

Flying, trample

Whenever Demon of Loathing deals combat damage to a player, that player sacrifices a creature.

Search your library for a card, put that card into your hand, then shuffle.

Flying

When Demonlord of Ashmouth enters the battlefield, exile it unless you sacrifice another creature.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

{T}: Add {C}.

{1}{U}{R}, {T}: Draw a card, then discard a card.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Flash

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Dimir Guildgate enters the battlefield tapped.

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

Flash

This spell costs {1} less to cast for each attacking creature you control.

When Embercleave enters the battlefield, attach it to target creature you control.

Equipped creature gets +1/+1 and has double strike and trample.

Equip {3}

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature.

Whenever another creature you control dies, you may pay 2 life. If you do, draw a card.

{1}{B}, Sacrifice another creature: Target creature gets -2/-1 until end of turn.

Flying

Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

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

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

{B}, {T}, Sacrifice another creature: Create X 2/2 black Zombie creature tokens, where X is the sacrificed creature's power.

{T}: Add three mana of any one color.

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

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Highland Lake enters the battlefield tapped.

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

{2}, Sacrifice a nontoken permanent: Draw a card.

Each player sacrifices a creature.

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

---

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Injury deals 2 damage to target creature and 2 damage to target player or planeswalker.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

Memorial to Folly enters the battlefield tapped.

{T}: Add {B}.

{2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

{T}: Choose a color of a permanent you control. Add one mana of that color.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a Human deals damage to you, destroy it.

Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Each player sacrifices six creatures. You create six tapped 2/2 black Zombie creature tokens.

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they're treated as though they don't exist.)

Sacrifice a creature: Add one mana of any color.

Trample

When Phyrexian Dreadnought enters the battlefield, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

This spell costs 3 life more to cast for each target.

Destroy any number of target creatures.

{T}: Add {C}.

{T}, Sacrifice a creature: Add {B}{B}.

{T}: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Flying, trample

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

{T}: Add {U}. If you played a land this turn, add {B} instead.

{T}: Add {U}.

{T}: Add {R}.

When Sengir Autocrat enters the battlefield, create three 0/1 black Serf creature tokens.

When Sengir Autocrat leaves the battlefield, exile all Serf tokens.

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

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

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

Flying

When Sower of Temptation enters the battlefield, gain control of target creature for as long as Sower of Temptation remains on the battlefield.

{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.")

Submerged Boneyard enters the battlefield tapped.

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

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

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

Sulfurous Mire enters the battlefield tapped.

{T}: Add {C}.

{T}: Add {B} or {R}. Sulfurous Springs deals 1 damage to you.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

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

{T}: Add {C}.

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

Target creature gains double strike until end of turn.

Ferocious -- That creature also gains trample until end of turn if you control a creature with power 4 or greater.

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.

+2: Create two 0/1 black Thrull creature tokens.

+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.

-10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.

Tevesh Szat, Doom of Fools can be your commander.

Partner

Whenever a creature with a -1/-1 counter on it dies, draw a card.

{1}{B}{R}: Put a -1/-1 counter on another target creature.

When The Scorpion God dies, return it to its owner's hand at the beginning of the next end step.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Thriving Bluff enters the battlefield tapped.

As Thriving Bluff enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

Equipped creature gets +3/+3 and has first strike.

Whenever a creature dealt damage by equipped creature this turn dies, you may exile that card. If you do, create a 2/2 black Zombie creature token.

Equip {2}

Deathtouch

Boast -- {1}{B}: Target player searches their library for a card, then shuffles and puts that card on top. (Activate only if this creature attacked this turn and only once each turn.)

As long as the top card of your graveyard is a creature card, Volrath's Shapeshifter has the full text of that card and has the text "{2}: Discard a card." (Volrath's Shapeshifter has that card's name, mana cost, color, types, abilities, power, and toughness.)

{2}: Discard a card.

Each player discards their hand, then draws seven cards.