Enchanted Wall can attack as though it didn't have defender.
{1}{G}{W}{U}
Arcades, the Strategist
Legendary Creature - Elder Dragon
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.
3 /
5
{1}{G}
Assault Formation
Enchantment
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.
{2}{G}
Axebane Guardian
Creature - Human Druid
Defender
{T}: Add X mana in any combination of colors, where X is the number of creatures with defender you control.
0 /
3
{2}{W}
Bar the Door
Instant
Creatures you control get +0/+4 until end of turn.
{1}{W}
Brave the Sands
Enchantment
Creatures you control have vigilance.
Each creature you control can block an additional creature each combat.
{1}{G}{G}
Carven Caryatid
Creature - Spirit
Defender (This creature can't attack.)
When Carven Caryatid enters the battlefield, draw a card.
2 /
5
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{U}{U}
Counterspell
Instant
Counter target spell.
{2}{G}
Cultivate
Sorcery
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{2}{U}
Drift of Phantasms
Creature - Spirit
Defender (This creature can't attack.)
Flying
Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)
0 /
5
{2}{W}{W}{ // }{3}{W}{W}
Dusk // Dawn
Sorcery // Sorcery
Destroy all creatures with power 3 or greater.
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.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{3}{G}
Explosive Vegetation
Sorcery
Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
{4}{W}
Fell the Mighty
Sorcery
Destroy all creatures with power greater than target creature's power.
{1}{U}
Fog Bank
Creature - Wall
Defender, flying
Prevent all combat damage that would be dealt to and dealt by Fog Bank.
0 /
2
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
{1}{W}
Fortified Rampart
Creature - Wall
Defender
0 /
6
{2}{U}
Geist of the Archives
Creature - Spirit
Defender
At the beginning of your upkeep, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
0 /
4
--
Glacial Fortress
Land
Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
{1}{G}
Heroic Intervention
Instant
Permanents you control gain hexproof and indestructible until end of turn.
--
Hinterland Harbor
Land
Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.
{T}: Add {G} or {U}.
{2}{U}
Hover Barrier
Creature - Illusion Wall
Defender, flying
0 /
6
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{1}{W}
Jeskai Barricade
Creature - Wall
Flash (You may cast this spell any time you could cast an instant.)
Defender
When Jeskai Barricade enters the battlefield, you may return another target creature you control to its owner's hand.
0 /
4
{2}{G}{U}
Jungle Barrier
Creature - Plant Wall
Defender (This creature can't attack.)
When Jungle Barrier enters the battlefield, draw a card.
2 /
6
{2}{G}
Kodama's Reach
Sorcery - Arcane
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{3}{W}
Marble Titan
Creature - Giant
Creatures with power 3 or greater don't untap during their controllers' untap steps.
3 /
3
{1}
Meekstone
Artifact
Creatures with power 3 or greater don't untap during their controllers' untap steps.
{4}{U}
Mnemonic Wall
Creature - Wall
Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.
0 /
4
{1}{G}
Overgrown Battlement
Creature - Wall
Defender
{T}: Add {G} for each creature you control with defender.
0 /
4
{W}
Perimeter Captain
Creature - Human Soldier
Defender
Whenever a creature you control with defender blocks, you may gain 2 life.
0 /
4
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{1}{G}
Rampant Growth
Sorcery
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{2}{W}{W}
Return to Dust
Instant
Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
{0}
Shield Sphere
Artifact Creature - Wall
Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.
0 /
6
{1}
Slagwurm Armor
Artifact - Equipment
Equipped creature gets +0/+6.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)
{1}{W}{W}
Slaughter the Strong
Sorcery
Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.