Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Whenever equipped creature attacks, put a +1/+1 counter on each creature you control. If you have the city's blessing, put two +1/+1 counters on each creature you control instead.

Equip {3}

Exile target nonland permanent. You lose 3 life.

Flying, vigilance, haste

Whenever a player attacks with three or more creatures, you draw a card.

Whenever a player attacks with five or more creatures, Aurelia, the Law Above deals 3 damage to each of your opponents and you gain 3 life.

Choose one --

• Boros Charm deals 4 damage to target player or planeswalker.

• Permanents you control gain indestructible until end of turn.

• Target creature gains double strike until end of turn.

Whenever you attack with two or more creatures, draw a card.

{2}, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.

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

Exile target permanent with mana value 4 or greater.

Prevent all combat damage that would be dealt to attacking creatures you control.

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

Whenever a creature you control attacks, it gets +2/+2 until end of turn.

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

{R}: Creatures you control gain haste until end of turn.

{3}{R}{R}: Create a 5/5 red Dragon Spirit creature token with flying. Activate only if you control an attacking modified creature. (Equipment, Auras you control, and counters are modifications.)

Whenever two or more creatures you control attack a player, look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Nomad Outpost enters the battlefield tapped.

{T}: Add {R}, {W}, or {B}.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Equipped creature gets +1/+1.

Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equip {2}

Exile target creature. Its controller gains life equal to its power.

No more than one creature can attack The Eternal Wanderer each combat.

+1: Exile up to one target artifact or creature. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

0: Create a 2/2 white Samurai creature token with double strike.

-4: For each player, choose a creature that player controls. Each player sacrifices all creatures they control not chosen this way.

Flash

As long as The Wandering Emperor entered the battlefield this turn, you may activate her loyalty abilities any time you could cast an instant.

+1: Put a +1/+1 counter on up to one target creature. It gains first strike until end of turn.

-1: Create a 2/2 white Samurai creature token with vigilance.

-2: Exile target tapped creature. You gain 2 life.

Whenever equipped creature attacks, double its power until end of turn.

Equip {1}{R}

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Target creature you control gains double strike until end of turn. (Then exile this card. You may cast the artifact later from exile.)