Imoen, Mystic Trickster

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.)

Miirym, Sentinel Wyrm

Flying, ward
Whenever another nontoken Dragon you control enters, create a token that’s a copy of it, except the token isn’t legendary.

Imoen, Mystic Trickster

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.)

Minthara, Merciless Soul

Minthara has ward , where X is the number of experience counters you have.
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter.
Creatures you control get +1/+0 for each experience counter you have.

Mighty Servant of Leuk-o

Trample
Ward—Discard a card.
Whenever Mighty Servant of Leuk-o becomes crewed for the first time each turn, if it was crewed by exactly two creatures, it gains “Whenever this creature deals combat damage to a player, draw two cards” until end of turn.
Crew 4

Giant Ankheg

Trample
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Other creatures you control have trample and ward .

Sailors’ Bane

This spell costs less to cast for each card you own in exile and in your graveyard that’s an instant card, a sorcery card, or a card that has an Adventure.
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Wilson, Refined Grizzly

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.)

Miirym, Sentinel Wyrm

Flying, ward
Whenever another nontoken Dragon you control enters, create a token that’s a copy of it, except the token isn’t legendary.

Aboleth Spawn

Flash
Ward
Probing Telepathy — Whenever a creature entering under an opponent’s control causes a triggered ability of that creature to trigger, you may copy that ability. You may choose new targets for the copy.

Wilson, Refined Grizzly

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.)

Aboleth Spawn

Flash
Ward
Probing Telepathy — Whenever a creature entering under an opponent’s control causes a triggered ability of that creature to trigger, you may copy that ability. You may choose new targets for the copy.

Minthara, Merciless Soul

Minthara has ward , where X is the number of experience counters you have.
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter.
Creatures you control get +1/+0 for each experience counter you have.

Mighty Servant of Leuk-o

Trample
Ward—Discard a card.
Whenever Mighty Servant of Leuk-o becomes crewed for the first time each turn, if it was crewed by exactly two creatures, it gains “Whenever this creature deals combat damage to a player, draw two cards” until end of turn.
Crew 4

Gavony Dawnguard

Ward
If it’s neither day nor night, it becomes day as Gavony Dawnguard enters.
Whenever day becomes night or night becomes day, look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Hamlet Vanguard

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
Hamlet Vanguard enters with two +1/+1 counters on it for each other nontoken Human you control.

Dreadlight Monstrosity

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)
: Dreadlight Monstrosity can’t be blocked this turn. Activate only if you own a card in exile.

Storvald, Frost Giant Jarl

Ward
Other creatures you control have ward .
Whenever Storvald enters or attacks, choose one or both —
• Target creature has base power and toughness 7/7 until end of turn.
• Target creature has base power and toughness 1/1 until end of turn.

A-Armory Veteran

Ward—Pay 2 life.
As long as Armory Veteran is equipped, it has menace. (It can’t be blocked except by two or more creatures.)

Varis, Silverymoon Ranger

Reach, ward
Whenever you cast a creature or planeswalker spell, venture into the dungeon. This ability triggers only once each turn. (To venture into the dungeon, enter the first room or advance to the next room.)
Whenever you complete a dungeon, create a 2/2 green Wolf creature token.

Purple Worm

This spell costs less to cast if a creature died this turn.
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

A-Ochre Jelly

Trample
Ward
Ochre Jelly enters with X +1/+1 counters on it.
Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that’s a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.

Neverwinter Hydra

As Neverwinter Hydra enters, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results.
Trample
Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)