Sheoldred, The Apocalypse Commander

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn.

Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

If you would gain life, you gain twice that much life instead.

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

You may pay {1}{B} rather than pay this spell's mana cost.

If the {1}{B} cost was paid, an opponent draws a card.

Exile target creature or planeswalker.

At the beginning of your precombat main phase, choose one or more —

• Sell Contraband — Create a Treasure token. You lose 1 life.

• Buy Information — Draw a card. You lose 2 life.

• Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

Target player draws two cards and loses 2 life.

Flying

At the beginning of your upkeep, target player draws a card and loses 1 life.

You may look at the top card of your library any time.

You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

{T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Whenever you tap a Swamp for mana, add an additional {B}.

Target player draws X cards and loses X life.

Destroy all creatures. They can't be regenerated.

Each player discards all the cards in their hand, then draws that many cards minus one.

Add {B}{B}{B}.

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

If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it.

{T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

If you control a commander, you may cast this spell without paying its mana cost.

Exile target creature.

You have no maximum hand size.

{T}: Add one mana of any color.

Target creature gets -1/-1 until end of turn for each Swamp you control.

Menace

As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost {B} less to cast if you paid life this way. This effect reduces only the amount of black mana you pay.

Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn.

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

Whenever a Swamp enters the battlefield under your control, choose one —

• You draw a card and you lose 1 life.

• Dread Presence deals 2 damage to any target and you gain 2 life.

Menace

Whenever Elder Brain attacks a player, exile all cards from that player's hand, then they draw that many cards. You may play lands and cast spells from among the exiled cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Target player draws X cards and loses X life, where X is the number of cards in their graveyard.

Indestructible

As long as your devotion to black is less than five, Erebos isn't a creature. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Your opponents can't gain life.

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

Whenever an opponent loses life, you gain that much life.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

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

At the beginning of each player's draw step, that player draws two additional cards.

When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

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

Whenever a player plays a land, that player draws a card.

Whenever Howling Golem attacks or blocks, each player draws a card.

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Destroy target creature. You lose 2 life.

Black spells you cast cost {1} less to cast.

({B/P} can be paid with either {B} or 2 life.)

Lifelink

For each {B} in a cost, you may pay 2 life rather than pay that mana.

Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Hexproof

You can't lose the game.

Whenever you gain life, draw that many cards.

Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.

When Lich's Mastery leaves the battlefield, you lose the game.

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

Equip {0}

Choose target creature. You lose 2 life. Until end of turn, that creature gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Whenever you gain life, each opponent loses 1 life.

Flying

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

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

You draw two cards and you lose 2 life.

Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.

[−2]: Destroy target creature. Its controller draws two cards.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

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

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

Flying, haste

Whenever Rankle, Master of Pranks deals combat damage to a player, choose any number —

• Each player discards a card.

• Each player loses 1 life and draws a card.

• Each player sacrifices a creature.

Scry 2, then draw two cards. You lose 2 life.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

Whenever you gain life, target opponent loses that much life.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

Target player draws two cards and loses 2 life.

When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Solemn Simulacrum dies, you may draw a card.

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

{T}: Each player draws a card.

Repeat the following process X times. Each opponent loses 3 life unless that player sacrifices a nonland permanent or discards a card.

As an additional cost to cast this spell, pay X life.

All creatures get -X/-X until end of turn.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Flying

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

Whenever you lose life, draw that many cards. (Damage causes loss of life.)

Whenever you gain life, target opponent loses that much life.

{3}{B}{B}: Creatures you control gain lifelink until end of turn.

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

Deathtouch

At the beginning of your end step, if you gained life this turn, each opponent sacrifices a creature and you return up to one target creature card from your graveyard to your hand.

At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)