Wall of Diffusion

Defender (This creature can’t attack.)
Wall of Diffusion can block creatures with shadow as though Wall of Diffusion had shadow.

Vent Sentinel

Defender
, : Vent Sentinel deals damage to target player or planeswalker equal to the number of creatures with defender you control.

Wakestone Gargoyle

Defender, flying
: Creatures you control with defender can attack this turn as though they didn’t have defender.

Cinder Wall

Defender
When Cinder Wall blocks, destroy it at end of combat.

Pride Guardian

Defender
Whenever Pride Guardian blocks, you gain 3 life.

Gatecreeper Vine

Defender
When Gatecreeper Vine enters the battlefield, you may search your library for a basic land card or a Gate card, reveal it, put it into your hand, then shuffle your library.

Black Oak of Odunos

Defender
, Tap another untapped creature you control: Black Oak of Odunos gets +1/+1 until end of turn.

Pillar of War

Defender
As long as Pillar of War is enchanted, it can attack as though it didn’t have defender.

Fog Bank

Defender, flying
Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Guard Gomazoa

Defender, flying
Prevent all combat damage that would be dealt to Guard Gomazoa.

Wall of Reverence

Defender, flying
At the beginning of your end step, you may gain life equal to the power of target creature you control.

Mnemonic Wall

Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Returned Phalanx

Defender
: Returned Phalanx can attack this turn as though it didn’t have defender.

Akroan Horse

Defender
When Akroan Horse enters the battlefield, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Mnemonic Wall

Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Colossus of Akros

Defender, indestructible
: Monstrosity 10. (If this creature isn’t monstrous, put ten +1/+1 counters on it and it becomes monstrous.)
As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn’t have defender.

Wall of Blossoms

Defender
When Wall of Blossoms enters the battlefield, draw a card.

Angelic Wall

Defender (This creature can’t attack.)
Flying

Wall of Frost

Defender
Whenever Wall of Frost blocks a creature, that creature doesn’t untap during its controller’s next untap step.