Goliath Paladin

Vigilance
When Goliath Paladin enters, you take the initiative.

Shire Scarecrow

Defender
{1}: Add one mana of any color. Activate only once each turn.

Looming Altisaur

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.)

Coastal Bulwark

Defender
Coastal Bulwark gets +2/+0 as long as you control an Island.
{2}, {T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Veteran Armorer

Candletrap

Enchant creature
Enchanted creature has defender.
Prevent all combat damage that would be dealt by enchanted creature.
Coven — {2}{W}, Sacrifice Candletrap: Exile enchanted creature. Activate only if you control three or more creatures with different powers.

Wall of Faith

Defender (This creature can't attack.)
{W}: Wall of Faith gets +0/+1 until end of turn.

Angelic Wall

Defender (This creature can't attack.)
Flying

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.)

Stalwart Shield-Bearers

Defender
Other creatures you control with defender get +0/+2.

Consulate Skygate

Defender
Reach (This creature can block creatures with flying.)

Gleaming Barrier

Defender
When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Sage-Eye Harrier

Flying
Morph {3}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Far Traveler

Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

Cathar's Shield

Equipped creature gets +0/+3 and has vigilance.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Guardians of Meletis

Wall of One Thousand Cuts

Defender, flying
{W}: Wall of One Thousand Cuts can attack this turn as though it didn't have defender.

Shield-Wall Sentinel

Defender
When Shield-Wall Sentinel enters, you may search your library for a creature card with defender, reveal it, put it into your hand, then shuffle.

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.)

Roving Keep

Defender
{7}: Roving Keep gets +2/+0 and gains trample until end of turn. It can attack this turn as though it didn't have defender.

Clockwork Drawbridge

Defender
{2}{W}, {T}: Tap target creature.

Wall of Hope

Defender (This creature can't attack.)
Whenever Wall of Hope is dealt damage, you gain that much life.

Wall of Glare

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

Flaming Fist

Commander creatures you own have "Whenever this creature attacks, it gains double strike until end of turn."

Prison Barricade

Defender (This creature can't attack.)
Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.)
If Prison Barricade was kicked, it enters with a +1/+1 counter on it and with "Prison Barricade can attack as though it didn't have defender."

Crashing Drawbridge

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

Skyclave Sentinel

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Flying, defender
If Skyclave Sentinel was kicked, it enters with two +1/+1 counters on it.
As long as Skyclave Sentinel has a +1/+1 counter on it, it can attack as though it didn't have defender.