First strike, menace, trample Partner (You can have two commanders if both have partner.)

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

This artifact enters tapped. {T}: Add {B}.

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

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

This artifact enters tapped. {T}: Add {R}.

When this artifact enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top. {1}, Sacrifice this artifact: Draw a card.

{T}: Add {C}. Tap an untapped legendary permanent you control: Untap this artifact.

{1}, {T}: Add {U}{R}.

{T}, Tap an untapped artifact or creature you control: Add {C}. Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.

Planar Atlas enters tapped. When Planar Atlas enters, you may look at the top four cards of your library. If you do, reveal up to one land card from among them, then put that card on top of your library and the rest on the bottom in a random order. {T}: Add {C}.

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

This artifact enters tapped. {T}: Add {U}.

{T}, Tap an untapped creature you control: Add one mana of any color.

This artifact enters tapped. {T}: Add one mana of any color that a basic land you control could produce.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game.

Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, you create two Treasure tokens." (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Exile any number of target creatures controlled by different players. For each creature exiled this way, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then puts the rest on the bottom of their library in a random order.

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

Discard all the cards in your hand, then draw that many cards. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

This spell can't be copied. Copy any number of target instant and/or sorcery spells. You may choose new targets for the copies.

When you next cast an instant or sorcery spell with mana value 4 or less this turn, copy that spell. You may choose new targets for the copy. Foretell {R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Target opponent looks at the top four cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile the top three cards of your library in a face-down pile, then exile the top three cards of your library in another face-down pile. Look at the cards in each pile, then turn a pile of your choice face up. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. You lose 3 life.

Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle. Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, sacrifice a creature. Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

Cast this spell only during your end step. As an additional cost to cast this spell, pay X life. Draw X cards.

Shuffle all cards from your graveyard into your library. Target player mills that many cards.

Choose an opponent. They look at the top four cards of your library and separate them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard. The Ring tempts you.

Look at the top four cards of your library. Put two of those cards into your hand and the rest into your graveyard.

Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put up to two of them into your hand and the rest into your graveyard. You lose 2 life.

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

({U/R} can be paid with either {U} or {R}.) When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Draw three cards. Then discard two cards unless you discard a basic land card.

Draw three cards. Then discard two cards unless you discard an artifact card.

Discard all the cards in your hand, then draw that many cards.

Choose one — • When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. • Target creature you control gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

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

{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.

{T}: Add {C}. ({C} represents colorless mana.) {T}, Tap an untapped creature you control: Add one mana of any color.

({T}: Add {U}.)

({T}: Add {R}.)

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

Look at the top four cards of your library. Put two of them into your hand and the rest into your graveyard. You lose 2 life.

Look at the top four cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order. You lose 2 life.

As an additional cost to cast this spell, discard two cards. Draw three cards.

Draw four cards, then discard three cards at random.

Surveil 2, then draw two cards. You lose 2 life. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies. Create a token that's a copy of target artifact.

Each player discards any number of cards, then draws that many cards. Draw a card.

Draw four cards, then discard three cards at random.

As an additional cost to cast this spell, sacrifice a creature. Add {R}{R}{R}.

You may pay {2}{U} rather than pay this spell's mana cost. If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Surveil 2, then draw two cards. Notion Rain deals 2 damage to you. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

The Ring tempts you. Search your library for a card that shares a color with a legendary creature you control, reveal it, put it into your hand, then shuffle.