{T}, Sacrifice an artifact: Bjorna, Nightfall Alchemist deals 1 damage to target creature. Goad that creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) Friends forever (You can have two commanders if both have friends forever.)

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

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

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

This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

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

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

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

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

Sacrifice an artifact: Put a +1/+1 counter on this creature. Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Flying, deathtouch When this creature enters, draw a card.

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

Sacrifice a creature: This creature gets +2/+2 until end of turn.

This creature can't block. Sacrifice a creature: Put a +1/+1 counter on this creature.

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

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 this creature: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

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

Flying When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice an artifact, put a +1/+1 counter on this creature.

Whenever you sacrifice a permanent, put a +1/+1 counter on Juri. When Juri dies, it deals damage equal to its power to any target.

Flying Whenever a player casts their second spell each turn, this creature connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life.

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Flying, hexproof from activated and triggered abilities When this creature enters, exchange control of this creature and target creature an opponent controls. If you do, you get {E}{E}{E}{E}, then sacrifice that creature unless you pay an amount of {E} equal to its mana value.

When this enchantment enters, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.

Sacrifice a creature: This enchantment deals 1 damage to any target.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Commander creatures you own have "When this creature enters and at the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. For each opponent who does, you gain protection from that player until your next turn." (You can't be targeted, dealt damage, or enchanted by anything controlled by that player.)

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.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

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

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 discard a card. Draw two cards.

Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

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

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control, then create a Wicked Role token attached to it." (Enchanted creature gets +1/+1. When this token is put into a graveyard, each opponent loses 1 life.)

Target creature gains undying until end of turn. (When it 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.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{W}.

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

Whenever this land becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

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

{T}: Add one mana of any color. Whenever you tap this land for mana, target opponent creates a 1/1 colorless Spirit creature token.

At the beginning of the end step, if you control no artifacts, sacrifice this land. {T}: Add one mana of any color.

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

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {R}.

{T}, Pay 1 life: Add one mana of any color.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

({T}: Add {R}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{R}.

{T}: Add one mana of any type that a land you control could produce.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

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

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

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

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

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

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

({T}: Add {B}.)

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

You may pay {B} rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield. Each player sacrifices thirteen creatures of their choice.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose up to one target artifact or creature card in your graveyard. You get {E}{E} (two energy counters). Then you may pay an amount of {E} equal to that card's mana value. If you do, return it from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

Sacrifice any number of artifacts, enchantments, and/or tokens. Return that many creature cards from your graveyard to the battlefield.

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.)

Return all creature cards with mana value 2 or less from your graveyard to the battlefield.

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

As an additional cost to cast this spell, sacrifice a creature. Thud deals damage equal to the sacrificed creature's power to any target.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: Draw a card.)

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.