Aarakocra Sneak

Flying
When Aarakocra Sneak enters, you take the initiative.

Plains

Fortified Rampart

Goliath Paladin

Vigilance
When Goliath Paladin enters, you take the initiative.

Wall of Glare

Defender (This creature can't attack.)
Wall of Glare can block any number of creatures.

Dawnbringer Cleric

When Dawnbringer Cleric enters, choose one —
• Cure Wounds — You gain 2 life.
• Dispel Magic — Destroy target enchantment.
• Gentle Repose — Exile target card from a graveyard.

Rasaad yn Bashir

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.)

Aegis Turtle

Acrobatic Leap

Target creature gets +1/+3 and gains flying until end of turn. Untap it.

Arcane Signet

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

Lagonna-Band Trailblazer

Heroic — Whenever you cast a spell that targets Lagonna-Band Trailblazer, put a +1/+1 counter on Lagonna-Band Trailblazer.

Tasseled Dromedary

Maned Serval

Eland Umbra

Enchant creature
Enchanted creature gets +0/+4.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Steel Wall

Wings of the Cosmos

Secret Door

Defender
{4}{U}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

You're Ambushed on the Road

Choose one —
• Make a Retreat — Return target creature you control to its owner's hand.
• Stand and Fight — Target creature gets +1/+3 until end of turn.

Yoked Ox

Command Tower

Phyrexian Walker

Dungeon Delver

Commander creatures you own have "Room abilities of dungeons you own trigger an additional time."

Iron Will

Target creature gets +0/+4 until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Hero's Resolve

Enchant creature
Enchanted creature gets +1/+5.

Ageless Guardian

God-Pharaoh's Faithful

Whenever you cast a blue, black, or red spell, you gain 1 life.

Venture Deeper

Target player mills four cards. (Then exile this card. You may cast the creature later from exile.)

Merfolk Secretkeeper

Merfolk Secretkeeper // Venture Deeper

Bar the Door

Creatures you control get +0/+4 until end of turn.

Kinjalli's Caller

Dinosaur spells you cast cost {1} less to cast.

Tower Defense

Creatures you control get +0/+5 and gain reach until end of turn.

Solidarity

Creatures you control get +0/+5 until end of turn.

Ornithopter

Counterspell

Valiant Guard

Giant Ox

Giant Ox crews Vehicles using its toughness rather than its power.

Trailblazer's Torch

When Trailblazer's Torch enters, you take the initiative.
Whenever equipped creature becomes blocked, it deals 2 damage to each creature blocking it.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Lightning-Core Excavator

{5}, {T}, Sacrifice Lightning-Core Excavator: It deals 3 damage to any target.

Slagwurm Armor

Equipped creature gets +0/+6.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

Island

Shield Sphere

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Armored Armadillo

Ward {1} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)
{3}{W}: Armored Armadillo gets +X/+0 until end of turn, where X is its toughness.