You draw three cards and you lose 3 life.

Flying

When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.

When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.

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

When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

Cycling {B} ({B}, Discard this card: Draw a card.)

Equipped creature gets +2/+0 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

{1}: Attach Bloodthirsty Blade to target creature an opponent controls. Activate only as a sorcery.

Bojuka Bog enters the battlefield tapped.

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

{T}: Add {B}.

Flash

Whenever an opponent puts one or more counters on a creature they control, they put the same number and kind of counters on Bold Plagiarist.

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Flying

Whenever a player attacks one of your opponents, if that opponent has more life than another of your opponents, that attacking player draws a card and you put two +1/+1 counters on a creature you control.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

As Citadel Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.

• Dragons -- At the beginning of combat on each opponent's turn, tap target creature that player controls.

Flying

Inklings can't attack you or planeswalkers you control.

Whenever a player attacks one of your opponents, that attacking player creates a tapped 2/1 white and black Inkling creature token with flying that's attacking that opponent.

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

When Coveted Jewel enters the battlefield, draw three cards.

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

Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it.

Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

Enchant player

Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Other white creatures you control get +1/+1.

Other black creatures you control get +1/+1.

Whenever you cast a white spell, you may tap target creature.

Whenever you cast a black spell, you may destroy target creature if it's tapped.

Flying

When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

({W/B} can be paid with either {W} or {B}.)

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

When Doomed Traveler dies, create a 1/1 white Spirit creature token with flying.

Menace

Whenever Dreamstealer deals combat damage to a player, that player discards that many cards.

Eternalize {4}{B}{B} ({4}{B}{B}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Wizard with no mana cost. Eternalize only as a sorcery.)

Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

Whenever Dusk Urchins attacks or blocks, put a -1/-1 counter on it.

When Dusk Urchins dies, draw a card for each -1/-1 counter on it.

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

{T}, Sacrifice a creature: Put two +1/+1 counters on target creature.

{T}, Remove a counter from a creature you control: Create a Treasure token.

{T}, Sacrifice an artifact: Create a 2/1 white and black Inkling creature token with flying.

{3}{B}: Untap Fain, the Broker.

Flying

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it.

Destroy target artifact, enchantment, or planeswalker.

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

Flying

As Guardian Archon enters the battlefield, secretly choose an opponent.

Reveal the player you chose: You and target permanent you control each gain protection from the chosen player until end of turn. Activate only once.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.)

Mill five cards, then return a creature card from your graveyard to the battlefield.

Prevent all combat damage that would be dealt to you this turn. For each 1 damage prevented this way, create a 2/1 white and black Inkling creature token with flying.

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

First strike

When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Flying

Will of the council -- When Magister of Worth enters the battlefield, starting with you, each player votes for grace or condemnation. If grace gets more votes, each player returns each creature card from their graveyard to the battlefield. If condemnation gets more votes or the vote is tied, destroy all creatures other than Magister of Worth.

Enchant creature

Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, each other creature that's attacking one of your opponents gets +1/+1 until end of turn.

{T}: Add {C}.

{2}, {T}: Each player draws a card.

{T}: Add {C}.

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

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Flying

Whenever a creature you control deals combat damage to a player, put that many +1/+1 counters on it.

At the beginning of your end step, for each player, put a +1/+1 counter on up to one target creature that player controls.

Each creature with one or more counters on it can't attack you or planeswalkers you control unless its controller pays {X}, where X is the number of counters on that creature.

Flying, trample

Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life.

Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled.

The owner of target nonland permanent shuffles it into their library, then draws two cards.

{T}: Add {C}.

{1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

When Oreskos Explorer enters the battlefield, search your library for up to X Plains cards, where X is the number of players who control more lands than you. Reveal those cards, put them into your hand, then shuffle.

At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn.

Orzhov Basilica enters the battlefield tapped.

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

{T}: Add {W}{B}.

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

Enchant creature

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, its controller loses 2 life and you gain 2 life.

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice.

{2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

{T}: Add {C}.

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

When Scholarship Sponsor enters the battlefield, each player who controls fewer lands than the player who controls the most lands searches their library for a number of basic land cards less than or equal to the difference, puts those cards onto the battlefield tapped, then shuffles.

Secluded Steppe enters the battlefield tapped.

{T}: Add {W}.

Cycling {W} ({W}, Discard this card: Draw a card.)

You and target opponent each draw three cards.

Flash

When Selfless Squire enters the battlefield, prevent all damage that would be dealt to you this turn.

Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on Selfless Squire.

Flying, double strike

At the beginning of combat on your turn, you may choose two. Each mode must target a different player.

• Target player creates a 2/1 white and black Inkling creature token with flying.

• Target player draws a card and loses 1 life.

• Target player puts a +1/+1 counter on each creature they control.

Silverquill Campus enters the battlefield tapped.

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

{4}, {T}: Scry 1.

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

{W}, Sacrifice Soul Snare: Exile target creature that's attacking you or a planeswalker you control.

{T}: Choose a player. That player adds one mana of any color they choose.

When Stalking Leonin enters the battlefield, secretly choose an opponent.

Reveal the player you chose: Exile target creature that's attacking you if it's controlled by the chosen player. Activate only once.

{T}: Add {C}.

{1}, {T}: Add one mana of any color. When you spend this mana to cast your commander, scry X, where X is the number of times it's been cast from the command zone this game.

({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 {C}.

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

Temple of Silence enters the battlefield tapped.

When Temple of Silence enters the battlefield, scry 1.

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

{T}: Add {C}{C}. Activate only if you control five or more lands.

At the beginning of your upkeep, each opponent may create a Treasure token. For each opponent who does, you create a Treasure token.

Vigilance, protection from creatures

Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.

At the beginning of each end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of tokens you created this turn.

When Together Forever enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two target creatures.)

{1}: Choose target creature with a counter on it. When that creature dies this turn, return that card to its owner's hand.

For each player, you choose from among the permanents that player controls an artifact, a creature, an enchantment, and a planeswalker. Then each player sacrifices all other nonland permanents they control.

Exile target nonland permanent.

Untap Victory Chimes during each other player's untap step.

{T}: A player of your choice adds {C}.

Enchant creature

Enchanted creature gets +2/+2, has vigilance, and can't attack you or planeswalkers you control.

Flying

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

Flying, double strike, vigilance, trample, indestructible