Nontoken creatures you control get +1/+1 and have vigilance.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{1}{W}{W}{ // }{1}{W}
Ardenvale Tactician // Dizzying Swoop
Creature - Human Knight // Instant - Adventure
Flying
Tap up to two target creatures. (Then exile this card. You may cast the creature later from exile.)
2 /
3
{2}{W}{B}
Aryel, Knight of Windgrace
Legendary Creature - Human Knight
Vigilance
{2}{W}, {T}: Create a 2/2 white Knight creature token with vigilance.
{B}, {T}, Tap X untapped Knights you control: Destroy target creature with power X or less.
4 /
4
{2}{B}
Belle of the Brawl
Creature - Human Knight
Menace (This creature can't be blocked except by two or more creatures.)
Whenever Belle of the Brawl attacks, other Knights you control get +1/+0 until end of turn.
3 /
2
{2}
Blackblade Reforged
Legendary Artifact - Equipment
Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}
{1}{B}
Blacklance Paragon
Creature - Human Knight
Flash
When Blacklance Paragon enters the battlefield, target Knight gains deathtouch and lifelink until end of turn.
3 /
1
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{1}
Colossus Hammer
Artifact - Equipment
Equipped creature gets +10/+10 and loses flying.
Equip {8} ({8}: Attach to target creature you control. Equip only as a sorcery.)
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{W}{B}
Corpse Knight
Creature - Zombie Knight
Whenever another creature enters the battlefield under your control, each opponent loses 1 life.
2 /
2
{2}{W}
Danitha Capashen, Paragon
Legendary Creature - Human Knight
First strike, vigilance, lifelink
Aura and Equipment spells you cast cost {1} less to cast.
2 /
2
{W}{B}
Despark
Instant
Exile target permanent with mana value 4 or greater.
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}
Explorer's Scope
Artifact - Equipment
Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
--
Fabled Passage
Land
{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.
{R}
Fervent Champion
Creature - Human Knight
First strike, haste
Whenever Fervent Champion attacks, another target attacking Knight you control gets +1/+0 until end of turn.
Equip abilities you activate that target Fervent Champion cost {3} less to activate.
1 /
1
{1}{R}{W}{B}
Fervent Charge
Enchantment
Whenever a creature you control attacks, it gets +2/+2 until end of turn.
{B}{ // }{2}{B}
Foulmire Knight // Profane Insight
Creature - Zombie Knight // Instant - Adventure
Deathtouch
You draw a card and you lose 1 life. (Then exile this card. You may cast the creature later from exile.)
1 /
1
--
Godless Shrine
Land - Plains Swamp
({T}: Add {W} or {B}.)
As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{3}
Icon of Ancestry
Artifact
As Icon of Ancestry enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
{3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
{1}
Infiltration Lens
Artifact - Equipment
Whenever equipped creature becomes blocked by a creature, you may draw two cards.
Equip {1}
{R}{W}
Inspiring Veteran
Creature - Human Knight
Other Knights you control get +1/+1.
2 /
2
{B}
Knight of the Ebon Legion
Creature - Vampire Knight
{2}{B}: Knight of the Ebon Legion gets +3/+3 and gains deathtouch until end of turn.
At the beginning of your end step, if a player lost 4 or more life this turn, put a +1/+1 counter on Knight of the Ebon Legion. (Damage causes loss of life.)
1 /
2
{1}{W}{B}
Knights' Charge
Enchantment
Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life.
{6}{W}{B}, Sacrifice Knights' Charge: Return all Knight creature cards from your graveyard to the battlefield.
{3}
Mardu Banner
Artifact
{T}: Add {R}, {W}, or {B}.
{R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.
{1}{W}{B}
Mortify
Instant
Destroy target creature or enchantment.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{B}{B}{ // }{1}{B}{B}
Murderous Rider // Swift End
Creature - Zombie Knight // Instant - Adventure
Lifelink
When Murderous Rider dies, put it on the bottom of its owner's library.
Destroy target creature or planeswalker. You lose 2 life. (Then exile this card. You may cast the creature later from exile.)
2 /
3
--
Nomad Outpost
Land
Nomad Outpost enters the battlefield tapped.
{T}: Add {R}, {W}, or {B}.
{1}{B}{ // }{1}{B}
Order of Midnight // Alter Fate
Creature - Human Knight // Sorcery - Adventure
Flying
Order of Midnight can't block.
Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)
2 /
2
--
Orzhov Guildgate
Land - Gate
Orzhov Guildgate enters the battlefield tapped.
{T}: Add {W} or {B}.
--
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}.)
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
{2}
Rogue's Gloves
Artifact - Equipment
Whenever equipped creature deals combat damage to a player, you may draw a card.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
--
Scoured Barrens
Land
Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.
{3}
Sigiled Sword of Valeron
Artifact - Equipment
Equipped creature gets +2/+0, has vigilance, and is a Knight in addition to its other types.
Whenever equipped creature attacks, create a 2/2 white Knight creature token with vigilance that's attacking.
Equip {3}
{1}{B}{ // }{B}
Smitten Swordmaster // Curry Favor
Creature - Human Knight // Sorcery - Adventure
Lifelink
You gain X life and each opponent loses X life, where X is the number of Knights you control.
2 /
1
{1}
Stoneforge Masterwork
Artifact - Equipment
Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it.
Equip {2}
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{3}{R}{W}{B}
Syr Gwyn, Hero of Ashvale
Legendary Creature - Human Knight
Vigilance, menace
Whenever an equipped creature you control attacks, you draw a card and you lose 1 life.
Equipment you control have equip Knight {0}.
5 /
5
--
Tainted Field
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
{4}{W}{W}
The Circle of Loyalty
Legendary Artifact
This spell costs {1} less to cast for each Knight you control.
Creatures you control get +1/+1.
Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance.
{3}{W}, {T}: Create a 2/2 white Knight creature token with vigilance.
--
Tournament Grounds
Land
{T}: Add {C}.
{T}: Add {R}, {W}, or {B}. Spend this mana only to cast a Knight or Equipment spell.
{B}
Tragic Slip
Instant
Target creature gets -1/-1 until end of turn.
Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.
--
Unclaimed Territory
Land
As Unclaimed Territory enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.
{W/B}{W/B}{W/B}
Unmake
Instant
Exile target creature.
{W}
Venerable Knight
Creature - Human Knight
When Venerable Knight dies, put a +1/+1 counter on target Knight you control.
2 /
1
{1}{R}{ // }{W}
Wear // Tear
Instant // Instant
Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)
Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)
--
Wind-Scarred Crag
Land
Wind-Scarred Crag enters the battlefield tapped.
When Wind-Scarred Crag enters the battlefield, you gain 1 life.
{T}: Add {R} or {W}.
{W}{B}
Wintermoor Commander
Creature - Human Knight
Deathtouch
Wintermoor Commander's toughness is equal to the number of Knights you control.
Whenever Wintermoor Commander attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
2 /
*
{1}{R}{ // }{R}
Embereth Shieldbreaker // Battle Display
Creature - Human Knight // Sorcery - Adventure
Destroy target artifact. (Then exile this card. You may cast the creature later from exile.)
2 /
1
{1}{B}
Giant's Skewer
Artifact - Equipment
Equipped creature gets +2/+1.
Whenever equipped creature deals combat damage to a creature, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
{B}
Lash of Thorns
Instant
Target creature gets +2/+1 and gains deathtouch until end of turn.
{W}
Outflank
Instant
Outflank deals damage to target attacking or blocking creature equal to the number of creatures you control.
{B}{R}
Steelclaw Lance
Artifact - Equipment
Equipped creature gets +2/+2.
Equip Knight {1}
Equip {3}
{W/B}{W/B}{W/B}
Unmake
Instant
Exile target creature.
{1}{W}
Worthy Knight
Creature - Human Knight
Whenever you cast a Knight spell, create a 1/1 white Human creature token.