Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."

Flying, trample You can't win the game and your opponents can't lose the game.

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

{T}: Target player gains control of target artifact, creature, or land you control.

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

Target opponent gains control of target permanent you control.

Trample Alexios attacks each combat if able, can't be sacrificed, and can't attack its owner. At the beginning of each player's upkeep, that player gains control of Alexios, untaps it, and puts a +1/+1 counter on it. It gains haste until end of turn.

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

Noncreature spells you cast cost {2} less to cast. Whenever you cast a noncreature spell, counter that spell unless you sacrifice a creature.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

When this artifact enters, 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 this artifact. Untap it.

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

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

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Add {R} for each tapped land your opponents control.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

This artifact enters 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. This artifact's owner draws a card, then that player may put a land card from their hand onto the battlefield.

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

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

Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost.

When this enchantment enters, exile the top seven cards of your library face down. You may look at the cards exiled with this enchantment, and you may play lands and cast spells from among those cards. Skip your draw step. You can't cast more than one spell each turn.

When this enchantment enters, draw three cards. At the beginning of your end step, you lose 2 life for each card in your hand.

At the beginning of your upkeep, choose one that hasn't been chosen — • This enchantment deals 4 damage to any target and you gain 4 life. • Target opponent discards two cards. • Draw two cards. • You lose the game.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw cards equal to the mana value of target artifact or creature you control. An opponent gains control of that permanent.

When this enchantment enters, you draw three cards, gain 6 life, and create three 2/1 black Bat creature tokens with flying. At the beginning of your end step, you discard a card, lose 2 life, and sacrifice a creature. When this enchantment leaves the battlefield, you discard three cards, lose 6 life, and sacrifice three creatures.

{T}, Exile two cards from your graveyard: Draw a card. If damage would be dealt to you, prevent that damage. Exile a card from your graveyard for each 1 damage prevented this way. When there are no cards in your graveyard, you lose the game.

Berzerker — Khârn the Betrayer attacks or blocks each combat if able. Sigil of Corruption — When you lose control of Khârn the Betrayer, draw two cards. The Betrayer — If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

This enchantment enters with seven hour counters on it. At the beginning of your draw step, draw an additional card and remove two hour counters from this enchantment. Your maximum hand size is equal to the number of hour counters on this enchantment. Whenever you discard a card, you lose 1 life.

If damage would be dealt to you, exile that many cards from your graveyard instead. If you can't, you lose the game. If you would gain life, draw that many cards instead. When this enchantment leaves the battlefield, you lose the game.

You draw two cards and you lose 2 life.

Skip your draw step. Whenever you play a card, draw a card. Your maximum hand size is two.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Cumulative upkeep {B} (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.) At the beginning of your end step, draw a card for each age counter on this enchantment. When this enchantment is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.

When this enchantment enters and whenever an opponent loses the game, exile the top card of each player's library. During each player's turn, that player may play a land or cast a spell from among cards exiled with this enchantment, and they may spend mana as though it were mana of any color to cast that spell. When they do, exile the top card of their library.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

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

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

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

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

({T}: Add {R}.)

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

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

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

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

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

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

({T}: Add {B}.)

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

If you would draw a card, return a card from your graveyard to your hand instead. If you can't, you lose the game. If a card would be put into your graveyard from anywhere, exile that card instead.

Exile the top thirteen cards of your library, then search your library for a card. Put that card into your hand, then shuffle.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

{5}: Exchange control of this artifact and target nonland permanent.

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.

{T}: Destroy target permanent you own. It can't be regenerated.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Lightning Bolt deals 3 damage to any target.

When Phage enters, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated. Whenever Phage deals combat damage to a player, that player loses the game.

At the beginning of your end step, sacrifice each other creature you control. Discard two cards, Sacrifice this creature: Choose target opponent. Return this creature to the battlefield under that player's control at the beginning of their next upkeep.

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.