Defender; reach (This creature can block creatures with flying.)

Whenever Aether Membrane blocks a creature, return that creature to its owner's hand at end of combat.

Defender (This creature can't attack.)

Flying

Enchant Wall

Enchanted Wall can attack as though it didn't have defender.

If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game, you win the game. Otherwise, put Approach of the Second Sun into its owner's library seventh from the top and you gain 7 life.

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.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

Defender

{1}{B}, {T}: Each opponent loses 1 life.

Creatures you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

{1}{G}: Regenerate target creature.

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.

Defender

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

Creatures you control have vigilance.

Each creature you control can block an additional creature each combat.

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

{T}: Add one mana of any color.

{T}: Put a charge counter on Coalition Relic.

At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

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

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

Sacrifice Commander's Sphere: Draw a card.

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

Creatures you control have "{T}: Add one mana of any color."

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.

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Each creature assigns combat damage equal to its toughness rather than its power.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

Defender, flying

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

({T}: Add {G}.)

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

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

Put X glyph counters on target creature that target Wall blocked this turn, where X is the power of that blocked creature. The creature gains "This creature doesn't untap during your untap step if it has a glyph counter on it" and "At the beginning of your upkeep, remove a glyph counter from this creature."

Target blocking Wall you control gets +10/+0 until end of combat. Prevent all damage that would be dealt to it this turn. Destroy it at the beginning of the next end step.

Choose target Wall creature. At this turn's next end of combat, destroy all creatures that were blocked by that creature this turn.

Choose target Wall creature. Whenever that creature is dealt damage by an attacking creature this turn, you gain that much life.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Each creature you control assigns combat damage equal to its toughness rather than its power.

Creatures you control can attack as though they didn't have defender.

{2}{W}{U}: Untap target creature.

Defender, flying

Each creature you control assigns combat damage equal to its toughness rather than its power.

-3: You gain life equal to the greatest toughness among creatures you control.

({T}: Add {U}.)

({T}: Add {U}.)

Defender (This creature can't attack.)

When Jungle Barrier enters the battlefield, draw a card.

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

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.

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, choose a creature type.

Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

({T}: Add {R}.)

Mystic Monastery enters the battlefield tapped.

{T}: Add {U}, {R}, or {W}.

Nomad Outpost enters the battlefield tapped.

{T}: Add {R}, {W}, or {B}.

{T}, Pay 1 life: Add {B} or {G}.

{1}, {T}, Sacrifice Nurturing Peatland: Draw a card.

Opulent Palace enters the battlefield tapped.

{T}: Add {B}, {G}, or {U}.

Defender

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

Indestructible

As long as your devotion to blue and black is less than seven, Phenax isn't a creature.

Creatures you control have "{T}: Target player mills X cards, where X is this creature's toughness."

({T}: Add {W}.)

({T}: Add {W}.)

Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

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

Wall creatures can attack as though they didn't have defender.

Sandsteppe Citadel enters the battlefield tapped.

{T}: Add {W}, {B}, or {G}.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

Seaside Citadel enters the battlefield tapped.

{T}: Add {G}, {W}, or {U}.

{T}: Add {C}{C}.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Defender (This creature can't attack.)

({T}: Add {R} or {G}.)

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life: Add {R} or {W}.

{1}, {T}, Sacrifice Sunbaked Canyon: Draw a card.

({T}: Add {B}.)

Changeling (This card is every creature type.)

Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

-2: Create a 0/3 white Wall creature token with defender.

Vivid Crag enters the battlefield tapped with two charge counters on it.

{T}: Add {R}.

{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.

Vivid Creek enters the battlefield tapped with two charge counters on it.

{T}: Add {U}.

{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Vivid Grove enters the battlefield tapped with two charge counters on it.

{T}: Add {G}.

{T}, Remove a charge counter from Vivid Grove: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it.

{T}: Add {B}.

{T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

Vivid Meadow enters the battlefield tapped with two charge counters on it.

{T}: Add {W}.

{T}, Remove a charge counter from Vivid Meadow: Add one mana of any color.

{X}, {T}, Discard a card: Look at the top X cards of your library. You may put a creature card with mana value X or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

You may cast creature spells as though they had flash.

+1: Until your next turn, up to one target creature gains vigilance and reach.

-2: Look at the top three cards of your library. Exile one face down and put the rest on the bottom of your library in any order. For as long as it remains exiled, you may look at that card and you may cast it if it's a creature spell.

Defender

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

Defender (This creature can't attack.)

{B}: Regenerate Wall of Bone. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Defender (This creature can't attack.)

{B}, Sacrifice Wall of Corpses: Destroy target creature Wall of Corpses is blocking.

Defender, flying

Shroud (This creature can't be the target of spells or abilities.)

Defender (This creature can't attack.)

Whenever Wall of Dust blocks a creature, that creature can't attack during its controller's next turn.

Defender (This creature can't attack.)

Whenever Wall of Essence is dealt combat damage, you gain that much life.

Defender

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

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.)

{G}, Sacrifice a Wall: Draw a card.

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 (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, flying

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

Defender

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

Defender (This creature can't attack.)

Prevent all damage that would be dealt to Wall of Shadows by creatures it's blocking.

Wall of Shadows can't be the target of spells that can target only Walls or of abilities that can target only Walls.

Defender (This creature can't attack.)

Whenever Wall of Souls is dealt combat damage, it deals that much damage to target opponent or planeswalker.

Defender (This creature can't attack.)

Defender (This creature can't attack.)

Flying

Defender

{G}: Wall of Tanglecord gains reach until end of turn. (It can block creatures with 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.

Defender (This creature can't attack.)

Reach (This creature can block creatures with flying.)

Defender (This creature can't attack.)

{2}{U}{U}: Wall of Wonder gets +4/-4 until end of turn and can attack this turn as though it didn't have defender.

{T}, Pay 1 life: Add {G} or {U}.

{1}, {T}, Sacrifice Waterlogged Grove: Draw a card.