Nontoken creatures you control get +1/+1 and have vigilance.
{X}{X}{2}{W}
Another Round
Sorcery
Exile any number of creatures you control, then return them to the battlefield under their owner's control. Then repeat this process X more times.
{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
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{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
{3}
Belbe's Armor
Artifact
{X}, {T}: Target creature gets -X/+X until end of turn.
--
Branchloft Pathway
Land
{T}: Add {G}.
--
Boulderloft Pathway
Land
{T}: Add {W}.
--
Brokers Hideout
Land
When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.
{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.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{U}{U}
Counterspell
Instant
Counter target spell.
{2}
Crashing Drawbridge
Artifact Creature - Wall
Defender
{T}: Creatures you control gain haste until end of turn.
0 /
4
{U}
Dive Down
Instant
Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
--
Dreamroot Cascade
Land
Dreamroot Cascade enters the battlefield tapped unless you control two or more other lands.
{T}: Add {G} or {U}.
{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.
{4}{W}
Fell the Mighty
Sorcery
Destroy all creatures with power greater than target creature's power.
--
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}.)
{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
{2}{U}
Guard Gomazoa
Creature - Jellyfish
Defender, flying
Prevent all combat damage that would be dealt to Guard Gomazoa.
1 /
3
{1}{W}{U}
High Alert
Enchantment
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.
{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}.)
{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}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{X}{X}{U}{U}{U}{U}
Mass Manipulation
Sorcery
Gain control of X target creatures and/or planeswalkers.
{1}
Meekstone
Artifact
Creatures with power 3 or greater don't untap during their controllers' untap steps.
{2}{U}
Monastery Flock
Creature - Bird
Defender, flying
Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
0 /
5
{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}.)
{3}{U}
Profaner of the Dead
Creature - Naga Wizard
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Profaner of the Dead exploits a creature, return to their owners' hands all creatures your opponents control with toughness less than the exploited creature's toughness.
3 /
3
{4}{G}{U}
Progenitor Mimic
Creature - Shapeshifter
You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."
0 /
0
{3}{W}
Ravnica at War
Sorcery
Exile all multicolored permanents.
{1}{W}
Refuse to Yield
Instant
Target creature gets +2/+7 until end of turn. Untap it.
{W}{U}{U}
Render Silent
Instant
Counter target spell. Its controller can't cast spells this turn.
{1}{U}
Riptide Turtle
Creature - Turtle
Flash
Defender
0 /
5
{1}{U}{U}
Saw It Coming
Instant
Counter target spell.
Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
{1}{W}
Sejiri Shelter
Instant
Target creature you control gains protection from the color of your choice until end of turn.
--
Sejiri Glacier
Land
Sejiri Glacier enters the battlefield tapped.
{T}: Add {W}.
{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.
Spara's Headquarters enters the battlefield tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)
{X}{X}{G}
Sporocyst
Creature - Tyranid
Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)
Defender
Spore Chimney -- When Sporocyst enters the battlefield, search your library for up to X basic land cards, put them onto the battlefield tapped, then shuffle.
0 /
0
{1}{W}
Stalwart Shield-Bearers
Creature - Human Soldier
Defender
Other creatures you control with defender get +0/+2.
0 /
3
{2}{W}
Stoneskin
Enchantment - Aura
Flash
Enchant creature
Enchanted creature gets +0/+10.
{1}{W}
Sunscape Familiar
Creature - Wall
Defender (This creature can't attack.)
Green spells and blue spells you cast cost {1} less to cast.
0 /
3
{2}
Suspicious Bookcase
Artifact Creature - Wall
Defender
{3}, {T}: Target creature can't be blocked this turn.
0 /
4
{1}{G}
Sylvan Caryatid
Creature - Plant
Defender, hexproof
{T}: Add one mana of any color.
0 /
3
--
Temple Garden
Land - Forest Plains
({T}: Add {G} or {W}.)
As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Temple of Mystery
Land
Temple of Mystery enters the battlefield tapped.
When Temple of Mystery enters the battlefield, scry 1.
{T}: Add {G} or {U}.
{1}{U}
Tetsuko Umezawa, Fugitive
Legendary Creature - Human Rogue
Creatures you control with power or toughness 1 or less can't be blocked.
1 /
3
{2}{W}
Teyo, the Shieldmage
Legendary Planeswalker - Teyo
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.
L:
5
{10}{G}
The Pride of Hull Clade
Legendary Creature - Crocodile Elk Turtle
This spell costs {X} less to cast, where X is the total toughness of creatures you control.
Defender
{2}{U}{U}: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender.
2 /
15
--
Thornwood Falls
Land
Thornwood Falls enters the battlefield tapped.
When Thornwood Falls enters the battlefield, you gain 1 life.
{T}: Add {G} or {U}.
{1}{G}
Tower Defense
Instant
Creatures you control get +0/+5 and gain reach until end of turn.
{4}{G}{G}
Towering Titan
Creature - Giant
Towering Titan enters the battlefield with X +1/+1 counters on it, where X is the total toughness of other creatures you control.
Sacrifice a creature with defender: All creatures gain trample until end of turn.
0 /
0
{3}{G}
Tree of Redemption
Creature - Plant
Defender
{T}: Exchange your life total with Tree of Redemption's toughness.
0 /
13
{3}{W}{W}{W}
True Conviction
Enchantment
Creatures you control have double strike and lifelink.
{1}{G}
Vine Trellis
Creature - Plant Wall
Defender (This creature can't attack.)
{T}: Add {G}.
0 /
4
{G}{U}{U}
Voidslime
Instant
Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)
{1}
Walking Bulwark
Artifact Creature - Golem
Defender
{2}: Until end of turn, target creature with defender gains haste, can attack as though it didn't have defender, and assigns combat damage equal to its toughness rather than its power. Activate only as a sorcery.
0 /
3
{1}{G}
Wall of Blossoms
Creature - Plant Wall
Defender
When Wall of Blossoms enters the battlefield, draw a card.
0 /
4
{1}{W}{U}
Wall of Denial
Creature - Wall
Defender, flying
Shroud (This creature can't be the target of spells or abilities.)
0 /
8
{1}{U}{U}
Wall of Frost
Creature - Wall
Defender
Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.
0 /
7
{2}
Wall of Junk
Artifact Creature - Wall
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.)
0 /
7
{U}{U}
Wall of Kelp
Creature - Plant Wall
Defender (This creature can't attack.)
{U}{U}, {T}: Create a 0/1 blue Plant Wall creature token with defender named Kelp.
0 /
3
{1}{W}
Wall of Omens
Creature - Wall
Defender
When Wall of Omens enters the battlefield, draw a card.
0 /
4
{1}{W}
Wall of Shards
Snow Creature - Wall
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.)
1 /
8
{3}{U}
Wall of Stolen Identity
Creature - Shapeshifter Wall
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.
0 /
0
{2}
Wall of Tanglecord
Artifact Creature - Wall
Defender
{G}: Wall of Tanglecord gains reach until end of turn. (It can block creatures with flying.)
0 /
6
{4}{W}
Wave of Reckoning
Sorcery
Each creature deals damage to itself equal to its power.
{3}
Weathered Sentinels
Artifact Creature - Wall
Defender, vigilance, reach, trample
Weathered Sentinels can attack players who attacked you during their last turn as though it didn't have defender.
Whenever Weathered Sentinels attacks, it gets +3/+3 and gains indestructible until end of turn.
2 /
5
{3}{W}
Wingmantle Chaplain
Creature - Human Cleric
Defender
When Wingmantle Chaplain enters the battlefield, create a 1/1 white Bird creature token with flying for each creature with defender you control.
Whenever another creature with defender enters the battlefield under your control, create a 1/1 white Bird creature token with flying.
0 /
3
{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
{3}{W}
Rally to Battle
Instant
Creatures you control get +1/+3 until end of turn. Untap them.