Keyword: Choose a background

Menace
At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you’ve completed a dungeon.
Choose a Background (You can have a Background as a second commander.)

Deathtouch
Whenever Erinis, Gloom Stalker attacks, return target land card from your graveyard to the battlefield.
Choose a Background (You can have a Background as a second commander.)

When Volo enters, create Volo’s Journal, a legendary colorless artifact token with hexproof and “Whenever you cast a creature spell, note one of its creature types that hasn’t been noted for this artifact.”
, : Draw a card for each creature type noted for target permanent you control named Volo’s Journal.
Choose a Background

, 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.)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you’ve completed a dungeon.
Choose a Background (You can have a Background as a second commander.)

This spell can’t be countered.
Vigilance, reach, trample
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Choose a Background (You can have a Background as a second commander.)

Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead.
Choose a Background (You can have a Background as a second commander.)

At the beginning of your upkeep, if there are four or more creature cards in your graveyard, return a creature card at random from your graveyard to your hand.
Choose a Background (You can have a Background as a second commander.)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you’ve completed a dungeon.
Choose a Background (You can have a Background as a second commander.)

You may cast Dragon spells and artifact spells as though they had flash.
Choose a Background (You can have a Background as a second commander.)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you’ve completed a dungeon.
Choose a Background (You can have a Background as a second commander.)

, , Sacrifice another creature: Draw X cards, where X is that creature’s power.
Choose a Background (You can have a Background as a second commander.)

At the beginning of each player’s end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok’s power.
Choose a Background (You can have a Background as a second commander.)

This spell can’t be countered.
Vigilance, reach, trample
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Choose a Background (You can have a Background as a second commander.)

, , Sacrifice another creature: Draw X cards, where X is that creature’s power.
Choose a Background (You can have a Background as a second commander.)

Haste
Whenever Amber Gristle O’Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.
Choose a Background (You can have a Background as a second commander.)

: Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types.
Choose a Background (You can have a Background as a second commander.)

, 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.)

Haste
Whenever Amber Gristle O’Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.
Choose a Background (You can have a Background as a second commander.)

Each creature you control assigns combat damage equal to its toughness rather than its power.
Whenever Rasaad yn Bashir attacks, if you have the initiative, double the toughness of each creature you control until end of turn.
Choose a Background (You can have a Background as a second commander.)

At the beginning of each player’s end step, if no permanents left the battlefield this turn, that player loses X life, where X is Sarevok’s power.
Choose a Background (You can have a Background as a second commander.)

At the beginning of your upkeep, if there are four or more creature cards in your graveyard, return a creature card at random from your graveyard to your hand.
Choose a Background (You can have a Background as a second commander.)

If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.
Whenever you roll one or more dice, put a +1/+1 counter on Wyll, Blade of Frontiers.
Choose a Background (You can have a Background as a second commander.)

Flying
Whenever Ganax, Astral Hunter or another Dragon you control enters, create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Choose a Background (You can have a Background as a second commander.)