Whenever Ayara or another black creature you control enters, each opponent loses 1 life and you gain 1 life. {T}, Sacrifice another black creature: 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.

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.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent of their choice that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Menace When God-Eternal Bontu enters, sacrifice any number of other permanents, then draw that many cards. When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

When Lobelia enters, look at the top card of each opponent's library and exile those cards face down. {T}, Sacrifice an artifact: Choose one — • Until end of turn, you may play a card exiled with Lobelia without paying its mana cost. • Each opponent loses 2 life and you gain 2 life.

Flying When this creature enters, sacrifice any number of artifacts, enchantments, and/or tokens, then draw that many cards.

Flying Whenever a nontoken creature you control dies, investigate. Clues you control have exalted. (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn for each instance of exalted among permanents you control.)

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.)

At the beginning of your upkeep, repeat the following process for each opponent in turn order. Reveal the top card of your library. That player may pay life equal to that card's mana value. If they do, exile that card. Otherwise, put it into your hand.

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.) Choose a Background (You can have a Background as a second commander.)

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") {T}, Sacrifice three Clues: Search your library for a card, put that card into your hand, then shuffle.

Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)

Flying Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.

As an additional cost to cast this spell, pay {4} or sacrifice an artifact or creature. Destroy target creature or planeswalker.

As an additional cost to cast this spell, sacrifice an artifact or creature. Ward {2} When this artifact enters, exile target artifact or creature an opponent controls until this artifact leaves the battlefield.

Kicker—Sacrifice an artifact or creature. (You may sacrifice an artifact or creature in addition to any other costs as you cast this spell.) Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets -6/-6 until end of turn instead.

Destroy target artifact, enchantment, or planeswalker.

As an additional cost to cast this spell, sacrifice a nonland permanent. Exile target nonland permanent. Flashback {2}{W}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Other Spirits you control have melee. Prevent all noncombat damage that would be dealt to Spirits you control.

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

{T}, Sacrifice an artifact or creature: Each opponent loses 1 life and you gain 1 life.

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

{T}: Add {C}. {T}: Add {W} or {B}. This land deals 1 damage to you.

This land enters tapped unless you control two or fewer other lands. {T}: Add {W} or {B}.

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

{T}: Add {C}. {W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {W}.)

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

({T}: Add {W} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {B}.

({T}: Add {B}.)

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 tapped.

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

Whenever you draw your second card each turn, each opponent loses 2 life and you gain 2 life. When this creature dies, return another target creature card with mana value 3 or less from your graveyard to the battlefield.

At the beginning of your upkeep, for each player, this enchantment deals 1 damage to that player unless they pay {B} or {3}.

Menace (This creature can't be blocked except by two or more creatures.) Lieutenant — At the beginning of combat on your turn, if you control your commander, each opponent loses 3 life.

Landfall — Whenever a land you control enters, 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 first main phase, each opponent loses X life and you gain X life, where X is the number of Shrines you control.

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach this Equipment to target creature you control. Equip {1}

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

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If one or more creature tokens would be created under your control, that many 4/4 white Angel creature tokens with flying and vigilance are created instead.

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."

When this enchantment enters, create a 1/1 white Human Soldier creature token. Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.

Whenever another creature you control enters, each opponent loses 1 life.

Whenever this creature or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

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

Whenever one or more tokens your opponents control enter, 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 you control enter, each opponent loses 1 life and you gain 1 life.

Fabricate 3 (When this creature enters, 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 this creature's power.

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

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

Whenever one or more creatures you control deal combat damage to a player, create two Treasure tokens. {B}, Sacrifice X Treasures: Target creature gets -X/-X until end of turn. Activate only as a sorcery.

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}.)

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