When Abdel Adrian, Gorion's Ward enters, exile any number of other nonland permanents you control until Abdel Adrian leaves the battlefield. Create a 1/1 white Soldier creature token for each permanent exiled this way.

Choose a Background (You can have a Background as a second commander.)

Tap an untapped Octopus you control: Tap target permanent.

: Tap all creatures without flying.

Nitro-9 — Whenever Ace, Fearless Rebel attacks, you may sacrifice an artifact. When you do, put a +1/+1 counter on Ace, Fearless Rebel, then it fights up to one target creature defending player controls.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)

Menace (This creature can't be blocked except by two or more creatures.)

Other Assassins you control get +1/+1.

Whenever you cast a spell with a squirrel in its art, you get (an acorn counter).

Whenever a Squirrel you control enters or dies, you get .

, Pay X : Target creature gets -X/-X until end of turn.

, Pay X : Target creature gets +X/+X until end of turn.

Vigilance

Adeline, Resplendent Cathar's power is equal to the number of creatures you control.

Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.

When Adéwalé enters, reveal the top six cards of your library. Put an Assassin, Pirate, or Vehicle card from among them into your hand and the rest on the bottom of your library in a random order.

Whenever a Vehicle you control deals combat damage to a player, you may return Adéwalé from your graveyard to your hand.

When Admiral Brass, Unsinkable enters, mill four cards.

At the beginning of combat on your turn, you may return target Pirate creature card from your graveyard to the battlefield with a finality counter on it. It has base power and toughness 4/4. It gains haste until end of turn. (If a creature with a finality counter on it would die, exile it instead.)

, : Copy target activated or triggered ability you control. You may choose new targets for the copy.

Ultimate Sacrifice — , Sacrifice Adric: Counter target activated or triggered ability.

Doctor's companion (You can have two commanders if the other is the Doctor.)

, : Return target creature card from your graveyard to your hand.

You may play an additional land on each of your turns.

Landfall — Whenever a land you control enters, you may draw a card.

Activated abilities of creatures you control cost less to activate, where X is Agatha of the Vile Cauldron's power. This effect can't reduce the mana in that cost to less than one mana.

: Other creatures you control get +1/+1 and gain trample and haste until end of turn.

Vigilance

Whenever Agrus Kos, Eternal Soldier becomes the target of an ability that targets only it, you may pay . If you do, copy that ability for each other creature you control that ability could target. Each copy targets a different one of those creatures. ( can be paid with either or .)

Whenever Agrus Kos, Wojek Veteran attacks, attacking red creatures get +2/+0 and attacking white creatures get +0/+2 until end of turn.

At the beginning of each player's end step, if an artifact entered the battlefield under your control this turn, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Flying

Whenever you create one or more tokens for the first time each turn, create a 1/1 white Bird creature token with flying.

: Creature tokens you control gain double strike until end of turn.

First strike, vigilance

Akiri, Line-Slinger gets +1/+0 for each artifact you control.

Partner (You can have two commanders if both have partner.)

This spell can't be countered.

Flying, trample, protection from white and from blue

: Akroma, Angel of Fury gets +1/+0 until end of turn.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Flying, first strike, vigilance, trample

At the beginning of each combat, until end of turn, each other creature you control gets +1/+1 if it has flying, +1/+1 if it has first strike, and so on for double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, vigilance, and partner.

Partner

Haste

At the beginning of your upkeep, if you have more cards in hand than each opponent, you may sacrifice a Swamp. If you do, return Akuta, Born of Ash from your graveyard to the battlefield.

Whenever you cast a spell, if it's the first instant spell, the first sorcery spell, or the first Otter spell other than Alania you've cast this turn, you may have target opponent draw a card. If you do, copy that spell. You may choose new targets for the copy.

Flying, deathtouch, lifelink

Other creatures you control with flying get +1/+0.

Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.

First strike

: Add an amount of equal to the greatest power among creatures you control that entered this turn.

Partner (You can have two commanders if both have partner.)

First strike

Whenever Alesha, Who Smiles at Death attacks, you may pay . If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

, , Discard two cards: Return X target creatures to their owners' hands.

Flying

As Alhammarret, High Arbiter enters, each opponent reveals their hand. You choose the name of a nonland card revealed this way.

Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield).

Other artifact creatures you control have haste.

Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.

Whenever you cast a historic spell, create a 1/1 white Soldier creature token. (Artifacts, legendaries, and Sagas are historic.)

Whenever Alistair attacks, you may pay . If you do, creatures you control get +X/+X until end of turn, where X is the number of historic permanents you control.

Vigilance

When Alquist Proft, Master Sleuth enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, , Sacrifice a Clue: You draw X cards and gain X life.

First strike

Whenever Altaïr Ibn-La'Ahad attacks, exile up to one target Assassin creature card from your graveyard with a memory counter on it. Then for each creature card you own in exile with a memory counter on it, create a tapped and attacking token that's a copy of it. Exile those tokens at end of combat.

Ward—Pay 3 life.

Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

When Ambassador Blorpityblorpboop enters, you get , then you may put a sticker on a nonland permanent you own.

At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power become equal to the total power of all stickers on permanents you control and its base toughness become equal to those stickers' total toughness.

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.)

Partner with Rory Williams (When this creature enters, target player may put Rory into their hand from their library, then shuffle.)

Whenever Amy Pond deals combat damage to a player, choose a suspended card you own and remove that many time counters from it.

Doctor's companion (You can have two commanders if the other is the Doctor.)

Whenever another nontoken creature you control enters, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

During your turn, commanders you control have indestructible. (Effects that say "destroy" don't destroy them. A creature with indestructible can't be destroyed by damage.)

Partner (You can have two commanders if both have partner.)

First strike, vigilance

Heroic — Whenever you cast a spell that targets Anax and Cymede & Kynaios and Tiro, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

, : Prevent all combat damage that would be dealt this turn. Activate only before the combat damage step.

Menace

Other enchantment creatures you control have menace.

Whenever Anikthea enters or attacks, exile up to one target non-Aura enchantment card from your graveyard. Create a token that's a copy of that card, except it's a 3/3 black Zombie creature in addition to its other types.

Protection from white and from black

Whenever you cast a creature spell, put a +1/+1 counter on Animar, Soul of Elements.

Creature spells you cast cost less to cast for each +1/+1 counter on Animar.

Whenever Anje, Maid of Dishonor and/or one or more other Vampires you control enter, create a Blood token. This ability triggers only once each turn. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

, Sacrifice another creature or a Blood token: Each opponent loses 2 life and you gain 2 life.

At the beginning of your upkeep, each player sacrifices a non-Vampire creature of their choice.

Lord of the Pyrrhian Legions — Whenever Anrakyr the Traveller attacks, you may cast an artifact spell from your hand or graveyard by paying life equal to its mana value rather than paying its mana cost.

Flying

Anya, Merciless Angel gets +3/+3 for each opponent whose life total is less than half their starting life total.

As long as an opponent's life total is less than half their starting life total, Anya has indestructible.

Flying, vigilance

When Ao, the Dawn Sky dies, choose one —

• Look at the top seven cards of your library. Put any number of nonland permanent cards with total mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

• Put two +1/+1 counters on each permanent you control that's a creature or Vehicle.

Vigilance

Whenever you attack, you create a Food token for each player being attacked. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, , Tap X untapped Foods you control: Create X 1/1 white Human creature tokens.

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)

Whenever a creature you control attacks, if it enlisted a creature this combat, the creature that attacked gains double strike until end of turn. If that creature's power is 4 or greater, draw a card.

Whenever the Ring tempts you, if you chose a creature other than Aragorn, Company Leader as your Ring-bearer, put your choice of a counter from among first strike, vigilance, deathtouch, and lifelink on Aragorn.

Whenever you put one or more counters on Aragorn, put one of each of those kinds of counters on up to one other target creature.

Vigilance, lifelink

When Aragorn, King of Gondor enters, you become the monarch.

Whenever Aragorn attacks, up to one target creature can't block this turn. If you're the monarch, creatures can't block this turn.

Eminence — At the beginning of combat on your turn, if Arahbo, Roar of the World is in the command zone or on the battlefield, another target Cat you control gets +3/+3 until end of turn.

Whenever another Cat you control attacks, you may pay . If you do, it gains trample and gets +X/+X until end of turn, where X is its power.