Rimeshield Frost Giant

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

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.

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

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.)

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.

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.

Nine-Fingers Keene

Menace
Ward—Pay 9 life.
Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

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.

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.

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 .)

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.

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 .

Nine-Fingers Keene

Menace
Ward—Pay 9 life.
Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

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.

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.

Nine-Fingers Keene

Menace
Ward—Pay 9 life.
Whenever Nine-Fingers Keene deals combat damage to a player, look at the top nine cards of your library. You may put a Gate card from among them onto the battlefield. Then if you control nine or more Gates, put the rest into your hand. Otherwise, put the rest on the bottom of your library in a random order.

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.)

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.)

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.)

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.