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

{T}: Add {W} or {U}. {W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

{1}, {T}: Add {U}{B}.

As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

{1}, {T}: Add {W}{B}.

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

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.

When Acclaimed Contender enters the battlefield, if you control another Knight, look at the top five cards of your library. You may reveal a Knight, Aura, Equipment, or legendary artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Vigilance Adeline, Resplendent Cathar's power is equal to the number of creatures you control. Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.

Deathtouch, lifelink Other legendary creatures you control get +2/+2.

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.

Whenever another creature enters the battlefield under your control, each opponent loses 1 life.

Flying {1}{W}{B}, {T}: Destroy target creature or enchantment. {2}{U}: Untap Ethersworn Adjudicator.

Menace, lifelink Whenever a Knight you control deals combat damage to a player, put a +1/+1 counter on that creature and create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Flash Vigilance When Guardian of Faith enters the battlefield, any number of other target creatures you control phase out. (Treat them and anything attached to them as though they don't exist until their controller's next turn.)

You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else. As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard. When Haakon dies, you lose 2 life.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.) Other Knights you control have horsemanship.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Hero of Bladehold attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.

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.)

First strike When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Menace Whenever a nontoken Knight you control dies, each opponent loses 1 life and you draw a card.

Other Knights you control get +1/+1. {W}{U}, {T}: Tap another target creature.

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.

Flash Psychic Abomination — When Sister of Silence enters the battlefield, counter target instant spell, sorcery spell, activated ability, or triggered ability.

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.)

Whenever a player draws their second card during their turn, you draw a card. Whenever a player casts their second spell during their turn, you create a 2/2 white Knight creature token.

Other Knights you control get +1/+1. {3}{W}{W}: Knights you control gain double strike until end of turn.

Whenever you draw a card, put a +1/+1 counter on each other Merfolk and/or Knight you control.

Vigilance, lifelink {T}, Pay 7 life: Destroy target nonland permanent. Activate only during your turn.

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.)

Whenever you cast a Knight spell, create a 1/1 white Human creature token.

Whenever you attack with two or more creatures, draw a card. {2}, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.

Counter target spell. You gain 3 life.

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

Counter target spell.

Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control.

Exile target permanent with mana value 4 or greater.

If you control a commander, you may cast this spell without paying its mana cost. Creatures you control gain indestructible until end of turn.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Draw X cards, then discard a card.

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.

Exile target creature. Its controller gains life equal to its power.

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped. {T}: Add {U} or {B}.

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

{1}, {T}: Add {U}{B}.

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

({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.

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U}.)

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

You have no maximum hand size. {T}: Add {C}.

As Shineshadow Snarl enters the battlefield, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters the battlefield tapped. {T}: Add {W} or {B}.

{1}, {T}: Add {W}{U}.

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

({T}: Add {B}.)

Temple of Deceit enters the battlefield tapped. When Temple of Deceit enters the battlefield, scry 1. {T}: Add {U} or {B}.

Temple of Enlightenment enters the battlefield tapped. When Temple of Enlightenment enters the battlefield, scry 1. {T}: Add {W} or {U}.

Temple of Silence enters the battlefield tapped. When Temple of Silence enters the battlefield, scry 1. {T}: Add {W} or {B}.

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

Choose a creature type. Draw a card for each permanent you control of that type.

Nonland permanents your opponents control lose indestructible until end of turn. Destroy all nonland permanents.

Destroy all creatures with power greater than target creature's power.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Suspend 2—{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Search your library for a card, put that card into your hand, then shuffle.