{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

Equipped creature gets +1/+1 for each land you control.

Equip legendary creature {3}

Equip {7}

Draw three cards, then put two cards from your hand on top of your library in any order.

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

Flying

When Cavalier of Gales enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order.

When Cavalier of Gales dies, shuffle it into its owner's library, then scry 2.

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

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

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

{5}, {T}: Draw a card for each color among permanents you control.

Equipped creature gets +10/+10 and loses flying.

Equip {8} ({8}: Attach to target creature you control. Equip only as a sorcery.)

Flying

Whenever an opponent draws a card, you may draw two cards.

Counter target spell.

You have no maximum hand size.

{T}: Add one mana of any color.

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.

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

Draw a card for each Island you control, then discard two cards.

{T}: Add three mana of any one color.

Flying

When Gryff Vanguard enters the battlefield, draw a card.

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Other Knights you control have horsemanship.

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 {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

When Isperia's Skywatch enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Whenever you draw your second card each turn, put a +1/+1 counter on target creature you control.

+1: Draw a card.

-7: Creatures you control can't be blocked this turn.

+1: Draw a card.

+1: Untap all creatures you control.

-9: Gain control of up to three target creatures.

{T}: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.

+1: Up to one target creature gets -2/-0 until your next turn.

-3: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead.

-9: You get an emblem with "Whenever you cast a spell, target opponent mills five cards."

+4: Target player exiles a card from their hand.

-3: Exile target permanent.

-14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

When Knight of the Mists enters the battlefield, you may pay {U}. If you don't, destroy target Knight and it can't be regenerated.

Whenever you draw your second card each turn, put a +1/+1 counter on Knights of Dol Amroth.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

-2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

-10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

+2: Target creature can't be blocked this turn.

-3: Draw two cards.

-10: Tap all creatures your opponents control. You take an extra turn after this one.

+1: Until your next turn, up to one target creature gets -5/-0.

-3: Return up to two target creatures to their owners' hands.

-7: Creatures you control with flying get +5/+5 until end of turn.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Counter target noncreature spell.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

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.)

Flying

Other Spirits you control get +1/+1.

Spells you cast from your graveyard cost {1} less to cast.

Flying

When Preening Champion enters the battlefield, create a 1/1 blue and red Elemental creature token.

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

When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.)

You have no maximum hand size.

{T}: Add {C}.

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Blue spells you cast cost {1} less to cast.

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}

Flash

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

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

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}

Syr Elenora, the Discerning's power is equal to the number of cards in your hand.

When Syr Elenora enters the battlefield, draw a card.

Spells your opponents cast that target Syr Elenora cost {2} more to cast.

+1: Tap target permanent. It doesn't untap during its controller's next untap step.

-2: Draw a card for each tapped creature target player controls.

-8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Whenever you draw a card, put a loyalty counter on Teferi, Temporal Pilgrim.

0: Draw a card.

-2: Create a 2/2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1/+1 counter on this creature."

-12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each nonland permanent they control into its owner's library.

{T}: Add {C}{C}. Activate only if you control five or more lands.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

When Tenacious Tomeseeker enters the battlefield, if it was bargained, return target instant or sorcery card from your graveyard to your hand.

+1: Create a 1/1 colorless Thopter artifact creature token with flying.

0: Draw a card. If you control three or more artifacts, draw two cards instead.

-9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle."

You have no maximum hand size.

{T}: Add {C}.

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

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Flying

Colorless spells you cast cost {2} less to cast.

+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.

-3: Destroy target permanent that's one or more colors.

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

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.

Flying

Adamant -- If at least three blue mana was spent to cast this spell, Vantress Paladin enters the battlefield with a +1/+1 counter on it.

First strike

Vodalian Knights can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Vodalian Knights.

{U}: Vodalian Knights gains flying until end of turn.

+2: Until your next turn, up to two target creatures each have base power and toughness 0/3 and lose all abilities.

-2: Target player draws two cards. Until your next turn, instant, sorcery, and planeswalker spells that player casts cost {2} less to cast.

-8: Target player gets an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."

Partner with Rowan Kenrith

Will Kenrith can be your commander.

Flying, vigilance

{T}: Create a 2/2 white and blue Knight creature token with vigilance. Activate only if you've cast two or more spells this turn.