You have hexproof. (You can't be the target of spells or abilities your opponents control.)

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

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

Flying, lifelink

Pegasus creatures you control have lifelink.

Constellation -- Whenever an enchantment enters the battlefield under your control, create a 2/2 white Pegasus creature token with flying.

Spells and abilities your opponents control can't cause their controller to search their library.

-1: Target player mills four cards. Then exile each opponent's graveyard.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

When Auramancer enters the battlefield, you may return target enchantment card from your graveyard to your hand.

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

Enchant creature

Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)

At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

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

Counter target spell.

Enchant creature

Enchanted creature is an Insect artifact creature with base power and toughness 0/1 and has indestructible, and it loses all other abilities, card types, and creature types.

Enchant creature

Enchanted creature has base power and toughness 0/4, has defender, loses all other abilities, and is a blue Wall in addition to its other colors and types.

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

When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.

When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

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

Enchant creature

Shroud (A permanent with shroud can't be the target of spells or abilities.)

Enchanted creature has shroud.

This spell can't be countered.

Counter target noncreature spell.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

Bestow {2}{W}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control.

Each player can't cast more than one spell each turn.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

Enchant creature

Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

{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.

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

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

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

Flying

When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice Gilded Drake. This ability still resolves if its target becomes illegal.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

({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.

Other enchantments you control have shroud. (A permanent with shroud can't be the target of spells or abilities.)

Enchanted creatures you control have shroud.

{T}: Add {C}.

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

Hall of the Bandit Lord enters the battlefield tapped.

{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

({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.

Indestructible

As long as your devotion to white is less than five, Heliod isn't a creature.

Whenever you gain life, put a +1/+1 counter on target creature or enchantment you control.

{1}{W}: Another target creature gains lifelink until end of turn.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.

{T}: Add {W} or {B}.

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

Equip {0}

{T}, Pay 1 life: Add one mana of any color.

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

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

Whenever you cast an enchantment spell, you may draw a card.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

({T}: Add {W}.)

Mistveil Plains enters the battlefield tapped.

{W}, {T}: Put target card from your graveyard on the bottom of your library. Activate only if you control two or more white permanents.

Cumulative upkeep {1} (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.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Each opponent can't draw more than one card each turn.

-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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

Counter target spell.

At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

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

You have no maximum hand size.

{T}: Add {C}.

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

({T}: Add {W} or {B}.)

{T}: Add {W} for each enchantment you control.

Enchant creature

Enchanted creature has indestructible.

Whenever a creature enters the battlefield, you may attach Shielded by Faith to that creature.

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

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

Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on Starfield Mystic.

Enchant creature

As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

As long as enchanted creature is blue, it gets +1/+1 and can't be blocked.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Vigilance

Whenever Sun Titan enters the battlefield or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

This spell can't be countered.

Destroy all creatures.

({T}: Add {B}.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

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

Equip {1}

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

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Tolaria West enters the battlefield tapped.

{T}: Add {U}.

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Enchant creature

When Treachery enters the battlefield, untap up to five lands.

You control enchanted creature.

({T}: Add {W} or {U}.)

Auras attached to permanents you control have totem armor. (If an enchanted permanent you control would be destroyed, instead remove all damage from it and destroy an Aura attached to it.)

({T}: Add {U} or {B}.)

Enchant creature

When Unquestioned Authority enters the battlefield, draw a card.

Enchanted creature has protection from creatures.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

({T}: Add {U} or {B}.)

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

+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.

Destroy all creatures that aren't enchanted. They can't be regenerated.

Flying

Whenever Zur the Enchanter attacks, you may search your library for an enchantment card with mana value 3 or less, put it onto the battlefield, then shuffle.