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

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

Defender (This creature can't attack.)
When Wall of Junk blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

Defender (This creature can't attack.)
, : Create a 0/1 blue Plant Wall creature token with defender named Kelp.

Defender (This creature can't attack.)
Protection from black

Defender
When Wall of Lost Thoughts enters the battlefield, target player mills four cards.

Defender

Defender (This creature can't attack.)
At end of combat, exile all creatures blocked by Wall of Nets.
When Wall of Nets leaves the battlefield, return all cards exiled with Wall of Nets to the battlefield under their owners' control.

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

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

Defender (This creature can't attack.)
Flying
At the beginning of each end step, if Wall of Resistance was dealt damage this turn, put a +0/+1 counter on it.

Defender
When Wall of Resurgence enters the battlefield, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.

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

Defender (This creature can't attack.)
When Wall of Runes enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Defender, flying
Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Defender (This creature can't attack.)
Banding (If any creatures with banding you control are blocking a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by.)

Defender (This creature can't attack.)
First strike

You may have Wall of Stolen Identity enter the battlefield as a copy of any creature on the battlefield, except it's a Wall in addition to its other types and has defender. When you do, tap the copied creature and it doesn't untap during its controller's untap step for as long as you control Wall of Stolen Identity.

Defender (This creature can't attack.)
Flying

Defender (This creature can't attack.)
Whenever Wall of Tears blocks a creature, return that creature to its owner's hand at end of combat.