Negate

Nevinyrral's Disk

Nevinyrral's Disk enters the battlefield tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Suspicious Bookcase

Defender
{3}, {T}: Target creature can't be blocked this turn.

Mnemonic Wall

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

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.

Wall of Frost

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

Wall of Mist

Manalith

Wall of Runes

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.)

Library of Leng

You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Assault Formation

Each creature you control assigns combat damage equal to its toughness rather than its power.
{G}: Target creature with defender can attack this turn as though it didn't have defender.
{2}{G}: Creatures you control get +0/+1 until end of turn.

Terramorphic Expanse

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Sunscape Familiar

Defender (This creature can't attack.)
Green spells and blue spells you cast cost {1} less to cast.

Wall of Stolen Identity

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.

Sidar Kondo of Jamuraa

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
Creatures your opponents control without flying or reach can't block creatures with power 2 or less.
Partner (You can have two commanders if both have partner.)

Tranquil Cove

Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.

Thallid Shell-Dweller

Defender
At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.
Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

Bant Panorama

{T}: Add {C}.
{1}, {T}, Sacrifice Bant Panorama: Search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle.

Reclamation Sage

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Command Tower

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

Wave of Reckoning

Each creature deals damage to itself equal to its power.

Overgrown Battlement

Defender
{T}: Add {G} for each creature you control with defender.

Pride Guardian

Defender
Whenever Pride Guardian blocks, you gain 3 life.

Vine Trellis

Defender (This creature can't attack.)
{T}: Add {G}.

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Slaughter the Strong

Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.

Tower Defense

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

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Sol Ring

Wall of Vines

Defender (This creature can't attack.)
Reach (This creature can block creatures with flying.)

Azorius Guildgate

Azorius Guildgate enters the battlefield tapped.
{T}: Add {W} or {U}.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.

Serra's Blessing

Creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Arcades, the Strategist

Flying, vigilance
Whenever a creature with defender enters the battlefield under your control, draw a card.
Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender.

Azorius Signet

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Ghostly Prison

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Simic Guildgate

Simic Guildgate enters the battlefield tapped.
{T}: Add {G} or {U}.

Woodland Stream

Woodland Stream enters the battlefield tapped.
{T}: Add {G} or {U}.

Seaside Citadel

Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.

Wall of Resistance

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.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Wall of Brambles

Defender (This creature can't attack.)
{G}: Regenerate Wall of Brambles.

Basilica Guards

Defender
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Castle

Untapped creatures you control get +0/+2.

Wall of Water

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

Song of Freyalise

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Until your next turn, creatures you control gain "{T}: Add one mana of any color."
III — Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

Wall of Resurgence

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.

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Quicksilver Wall

Defender (This creature can't attack.)
{4}: Return Quicksilver Wall to its owner's hand. Any player may activate this ability.

Wall of Ice

Glacial Wall

Murmuring Phantasm

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Novice Knight

Defender (This creature can't attack.)
As long as Novice Knight is enchanted or equipped, it can attack as though it didn't have defender.

Cancel

Wall of Swords

Defender (This creature can't attack.)
Flying

Thunder Wall

Defender (This creature can't attack.)
Flying
{U}: Thunder Wall gets +1/+1 until end of turn.

Eerie Interlude

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Stalwart Shield-Bearers

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

Forest

Island

Axebane Guardian

Defender
{T}: Add X mana in any combination of colors, where X is the number of creatures with defender you control.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Wall of Omens

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

Abzan Beastmaster

At the beginning of your upkeep, draw a card if you control the creature with the greatest toughness or tied for the greatest toughness.

Dawn

Aftermath (Cast this spell only from your graveyard. Then exile it.)
Return all creature cards with power 2 or less from your graveyard to your hand.

Dusk

Destroy all creatures with power 3 or greater.

Dusk // Dawn

Counterspell

Wall of Wood

Plains

Solidarity

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

Fell the Mighty

Destroy all creatures with power greater than target creature's power.

Tranquil Expanse

Tranquil Expanse enters the battlefield tapped.
{T}: Add {G} or {W}.

Whip Vine

Defender; reach (This creature can block creatures with flying.)
You may choose not to untap Whip Vine during your untap step.
{T}: Tap target creature with flying blocked by Whip Vine. That creature doesn't untap during its controller's untap step for as long as Whip Vine remains tapped.

Shield Sphere

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

Obelisk of Bant

Crenellated Wall

Defender (This creature can't attack.)
{T}: Target creature gets +0/+4 until end of turn.

Wall of Roots

Defender
Put a -0/-1 counter on Wall of Roots: Add {G}. Activate only once each turn.