As Palace Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your upkeep, return target creature card from your graveyard to your hand. • Dragons — At the beginning of your upkeep, each opponent loses 2 life and you gain 2 life.

When Ruthless Technomancer enters the battlefield, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power. {2}{B}, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

Whenever Ayara, First of Locthwain or another black creature enters the battlefield under your control, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: Draw a card.

Whenever one or more tokens enter the battlefield under your control, create a 1/1 black Vampire Rogue creature token with lifelink. This ability triggers only once each turn. {1}{B}, Sacrifice another creature or artifact: Draw a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) At the beginning of each end step, if you created a token this turn, draw a card.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Whenever a creature you control dies, scry 1 and put an oil counter on Norn's Wellspring. {1}, {T}, Remove two oil counters from Norn's Wellspring: Draw a card.

Choose a creature type. Target player draws X cards and loses X life, where X is the number of creatures they control of the chosen type.

Sacrifice any number of permanents you control, then draw that many cards. Plot {1}{B}{B} (You may pay {1}{B}{B} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.

Devoid (This card has no color.) Flying At the beginning of your upkeep, sacrifice a creature. Whenever you sacrifice a creature, draw a card.

When Staff of the Storyteller enters the battlefield, create a 1/1 white Spirit creature token with flying. Whenever you create one or more creature tokens, put a story counter on Staff of the Storyteller. {W}, {T}, Remove a story counter from Staff of the Storyteller: Draw a card.

If you would create a Clue, Food, or Treasure token, instead create one of each.

Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio.

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.

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.) Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.

When Persuasive Interrogators enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, target opponent gets two poison counters. (A player with ten or more poison counters loses the game.)

When Rosie Cotton of South Lane enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {W} or {B}.

{T}: Add {C}. {2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

Diamond City enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) {T}: Add {C}. {T}: Move a shield counter from Diamond City onto target creature. Activate only if two or more creatures entered the battlefield under your control this turn.

{T}, Sacrifice Escape Tunnel: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. {T}, Sacrifice Escape Tunnel: Target creature with power 2 or less can't be blocked this turn.

{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.

Forlorn Flats enters the battlefield tapped. When Forlorn Flats enters the battlefield, it deals 1 damage to target opponent. {T}: Add {W} or {B}.

Forsaken Sanctuary enters the battlefield tapped. {T}: Add {W} or {B}.

Great Hall of Starnheim enters the battlefield tapped. {T}: Add {B}. {W}{W}{B}, {T}, Sacrifice Great Hall of Starnheim and a creature you control: Create a 4/4 white Angel Warrior creature token with flying and vigilance. Activate only as a sorcery.

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

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}.

Orzhov Guildgate enters the battlefield tapped. {T}: Add {W} or {B}.

({T}: Add {W}.)

{T}: Add {C}. {1}, {T}, Sacrifice Promising Vein: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

You have no maximum hand size. {T}: Add {C}.

Restless Fortress enters the battlefield tapped. {T}: Add {W} or {B}. {2}{W}{B}: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land. Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.

{T}: Add {C}. {2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

Scoured Barrens enters the battlefield tapped. When Scoured Barrens enters the battlefield, you gain 1 life. {T}: Add {W} or {B}.

Silverquill Campus enters the battlefield tapped. {T}: Add {W} or {B}. {4}, {T}: Scry 1.

({T}: Add {B}.)

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 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.) Artifacts and creatures your opponents control enter the battlefield tapped.

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

Flying At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Deathtouch Whenever another creature enters the battlefield under your control, you gain 1 life. Whenever another creature you control dies, each opponent loses 1 life.

Whenever one or more tokens enter the battlefield under your opponents' control, for each of them, create a tapped token that's a copy of it. This ability triggers only once each turn. Whenever one or more tokens enter the battlefield under your control, each opponent loses 1 life and you gain 1 life.

Menace Lieutenant — At the beginning of combat on your turn, if you control your commander, each opponent loses 3 life.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

Landfall — Whenever a land enters the battlefield under your control, choose one — • Target creature gets +1/+0 and gains deathtouch until end of turn. • Each opponent loses 1 life and you gain 1 life.

At the beginning of your precombat main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

{T}: Each player loses 1 life for each Zombie on the battlefield.

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.) {T}, Pay 2 life: Remove a counter from target nonland permanent.

Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

{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.

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

{T}: Add one mana of any color. {2}, {T}: Exile target card from a graveyard.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Whenever a player casts their second spell each turn, you lose 1 life and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

You have no maximum hand size. {T}: Add {C}.

Exile target nonland permanent. You lose 3 life.

Destroy target artifact or creature. Its controller creates a 2/2 white Ox creature token.

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

Destroy all creatures with power greater than target creature's power.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Destroy target creature. You lose 2 life.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Spree (Choose one or more additional costs.) + {1} — Destroy target artifact. + {1} — Destroy target enchantment. + {1} — Put a +1/+1 counter on each creature target player controls.

When Ruthless Lawbringer enters the battlefield, you may sacrifice another creature. When you do, destroy target nonland permanent.

You may cast Tegwyll's Scouring as though it had flash by tapping three untapped creatures you control with flying in addition to paying its other costs. Destroy all creatures. Create three 1/1 black Faerie Rogue creature tokens with flying.