-2: Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
L:
5
{1}{W}{B}
Anguished Unmaking
Instant
Exile target nonland permanent. You lose 3 life.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
--
Arch of Orazca
Land
Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
{T}: Add {C}.
{5}, {T}: Draw a card. Activate only if you have the city's blessing.
{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}{R}{W}
Aurelia, Exemplar of Justice
Legendary Creature - Angel
Flying
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.
2 /
5
{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}{W}{W}{W}
Cavalier of Dawn
Creature - Elemental Knight
Vigilance
When Cavalier of Dawn enters the battlefield, destroy up to one target nonland permanent. Its controller creates a 3/3 colorless Golem artifact creature token.
When Cavalier of Dawn dies, return target artifact or enchantment card from your graveyard to your hand.
4 /
6
{2}{R}{R}{R}
Cavalier of Flame
Creature - Elemental Knight
{1}{R}: Creatures you control get +1/+0 and gain haste until end of turn.
When Cavalier of Flame enters the battlefield, discard any number of cards, then draw that many cards.
When Cavalier of Flame dies, it deals X damage to each opponent and each planeswalker they control, where X is the number of land cards in your graveyard.
6 /
5
{2}{B}{B}{B}
Cavalier of Night
Creature - Elemental Knight
Lifelink
When Cavalier of Night enters the battlefield, you may sacrifice another creature. When you do, destroy target creature an opponent controls.
When Cavalier of Night dies, return target creature card with mana value 3 or less from your graveyard to the battlefield.
4 /
5
{3}{W}{W}
Cleansing Nova
Sorcery
Choose one --
• Destroy all creatures.
• Destroy all artifacts and enchantments.
{5}
Coat of Arms
Artifact
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.)
{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.
{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.
{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
{4}{R}{R}
Embercleave
Legendary Artifact - Equipment
Flash
This spell costs {1} less to cast for each attacking creature you control.
When Embercleave enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+1 and has double strike and trample.
Equip {3}
{3}{R}
Embereth Skyblazer
Creature - Human Knight
As long as it's your turn, Embereth Skyblazer has flying.
Whenever Embereth Skyblazer attacks, you may pay {2}{R}. If you do, creatures you control get +X/+0 until end of turn, where X is the number of opponents you have.
4 /
3
{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
{R/W}{R/W}{R/W}{R/W}
Fireborn Knight
Creature - Human Knight
Double strike
{R/W}{R/W}{R/W}{R/W}: Fireborn Knight gets +1/+1 until end of turn.
2 /
3
{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.
{1}{W}{W}
History of Benalia
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II -- Create a 2/2 white Knight creature token with vigilance.
III -- Knights you control get +2/+1 until end of turn.
{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.
{R}{W}
Inspiring Veteran
Creature - Human Knight
Other Knights you control get +1/+1.
2 /
2
{2}{R}{W}
Iroas, God of Victory
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red and white is less than seven, Iroas isn't a creature.
Creatures you control have menace.
Prevent all damage that would be dealt to attacking creatures you control.
7 /
4
{2}{B}{B}
Josu Vess, Lich Knight
Legendary Creature - Zombie Knight
Kicker {5}{B} (You may pay an additional {5}{B} as you cast this spell.)
Menace
When Josu Vess, Lich Knight enters the battlefield, if it was kicked, create eight 2/2 black Zombie Knight creature tokens with menace.
4 /
5
{3}{W}
Kinsbaile Cavalier
Creature - Kithkin Knight
Knight creatures you control have double strike.
2 /
2
{1}{W}{W}
Knight Exemplar
Creature - Human Knight
First strike (This creature deals combat damage before creatures without first strike.)
Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)
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
{3}{W}{B}
Knights of the Black Rose
Creature - Human Knight
When Knights of the Black Rose enters the battlefield, you become the monarch.
Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life.
4 /
4
{X}{W}{W}
Martial Coup
Sorcery
Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.
{5}{W}{W}
Mass Calcify
Sorcery
Destroy all nonwhite creatures.
{2}{B}
Midnight Reaper
Creature - Zombie Knight
Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.
3 /
2
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
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
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
{3}{W}
Palace Sentinels
Creature - Human Soldier
When Palace Sentinels enters the battlefield, you become the monarch.
2 /
4
{1}{B}{B}
Phyrexian Arena
Enchantment
At the beginning of your upkeep, you draw a card and you lose 1 life.
--
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}.)
{3}{W}{W}{W}
Planar Cleansing
Sorcery
Destroy all nonland permanents.
{W}{W}
Puresteel Paladin
Creature - Human Knight
Whenever an Equipment enters the battlefield under your control, you may draw a card.
Metalcraft -- Equipment you control have equip {0} as long as you control three or more artifacts.
2 /
2
{1}{R}{W}{B}
Queen Marchesa
Legendary Creature - Human Assassin
Deathtouch, haste
When Queen Marchesa enters the battlefield, you become the monarch.
At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.
3 /
3
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}{W}
Selfless Spirit
Creature - Spirit Cleric
Flying
Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.
2 /
1
{2}{W}{W}
Shatter the Sky
Sorcery
Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures.
{5}{W}
Silverwing Squadron
Creature - Human Knight
Flying, vigilance
Silverwing Squadron's power and toughness are each equal to the number of creatures you control.
Whenever Silverwing Squadron attacks, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you have.
* /
*
{R}{W}
Skyknight Vanguard
Creature - Human Knight
Flying
Whenever Skyknight Vanguard attacks, create a 1/1 white Soldier creature token that's tapped and attacking.
1 /
2
{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
{3}{W}
Smothering Tithe
Enchantment
Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{5}{R}{R}
Star of Extinction
Sorcery
Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.
--
Sunbaked Canyon
Land
{T}, Pay 1 life: Add {R} or {W}.
{1}, {T}, Sacrifice Sunbaked Canyon: Draw a card.
--
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}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{2}
Sword of the Animist
Legendary Artifact - Equipment
Equipped creature gets +1/+1.
Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Equip {2}
{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
{3}{B}{B}
Syr Konrad, the Grim
Legendary Creature - Human Knight
Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.
{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)
5 /
4
{2}
Talisman of Conviction
Artifact
{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.
--
Temple of Silence
Land
Temple of Silence enters the battlefield tapped.
When Temple of Silence enters the battlefield, scry 1.
{T}: Add {W} or {B}.
{3}{B}
Thorn of the Black Rose
Creature - Human Assassin
Deathtouch
When Thorn of the Black Rose enters the battlefield, you become the monarch.
1 /
3
--
Throne of the High City
Land
{T}: Add {C}.
{4}, {T}, Sacrifice Throne of the High City: You become the monarch.
--
Tournament Grounds
Land
{T}: Add {C}.
{T}: Add {R}, {W}, or {B}. Spend this mana only to cast a Knight or Equipment spell.
{R}{R}{W}{W}
Truefire Captain
Creature - Human Knight
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever Truefire Captain is dealt damage, it deals that much damage to target player.
4 /
3
{1}{B}{B}
Underworld Connections
Enchantment - Aura
Enchant land
Enchanted land has "{T}, Pay 1 life: Draw a card."
{2}{W}{B}
Utter End
Instant
Exile target nonland permanent.
{5}
Vanquisher's Banner
Artifact
As Vanquisher's Banner enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Whenever you cast a creature spell of the chosen type, draw a card.
{W}
Venerable Knight
Creature - Human Knight
When Venerable Knight dies, put a +1/+1 counter on target Knight you control.
2 /
1
{1}{W}{B}
Vindicate
Sorcery
Destroy target permanent.
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{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.)