Whenever an enchantment enters the battlefield under your control, create a 2/2 white Cat creature token. If that enchantment is an Aura, you may attach it to the token.

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.

History Teacher -- Sagas you control have read ahead. (As a Saga enters the battlefield, choose a chapter and start with that many lore counters. Skipped chapters don't trigger.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

{T}: Add {G}.

{T}: Add {U}.

(As this Saga enters and after your draw step, add a lore counter.)

I, II -- For each player, exile up to one target non-Saga, nonland permanent that player controls until Battle at the Helvault leaves the battlefield.

III -- Create Avacyn, a legendary 8/8 white Angel creature token with flying, vigilance, and indestructible.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create a 1/1 white Human Warrior creature token.

II -- Create a 1/1 green Elf Warrior creature token.

III -- Choose any number of artifact tokens and/or creature tokens you control with different names. For each of them, create a token that's a copy of it.

Constellation -- Whenever Boon of the Spirit Realm or another enchantment enters the battlefield under your control, put a blessing counter on Boon of the Spirit Realm.

Creatures you control get +1/+1 for each blessing counter on Boon of the Spirit Realm.

{T}: Add {G}.

{T}: Add {W}.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

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

When Court of Vantress enters the battlefield, you become the monarch.

At the beginning of your upkeep, choose up to one other target enchantment or artifact. If you're the monarch, you may create a token that's a copy of it. If you're not the monarch, you may have Court of Vantress become a copy of it, except it has this ability.

Constellation -- Whenever Eidolon of Blossoms or another enchantment enters the battlefield under your control, draw a card.

Whenever one or more artifacts enter the battlefield under your control, put two +1/+1 counters on Elvish Archivist. This ability triggers only once each turn.

Whenever one or more enchantments enter the battlefield under your control, draw a card. This ability triggers only once each turn.

Whenever you cast an enchantment spell, draw a card.

+2: Untap each enchanted permanent you control.

-1: Create a white Aura enchantment token named Mask attached to another target permanent. The token has enchant permanent and totem armor.

-7: Mill seven cards. Return all non-Aura enchantment cards from your graveyard to the battlefield, then do the same for Aura cards.

Estrid, the Masked can be your commander.

Constellation -- Whenever an enchantment enters the battlefield under your control, put a +1/+1 counter on target creature. That creature gains flying until end of turn.

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

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Put a +1/+1 counter on up to one target creature.

III -- Exile a creature with the greatest power among creatures target opponent controls.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Move a counter of each kind not on Goldberry, River-Daughter from another target permanent you control onto Goldberry.

{U}, {T}: Move one or more counters from Goldberry onto another target permanent you control. If you do, draw a card.

{T}: Add {C}.

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

{1}{W}{U}, {T}: Return target artifact or enchantment card from your graveyard to your hand.

Spells cost {1} less to cast.

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

Whenever you cast an enchantment spell, you gain 1 life.

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

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

Whenever Historian's Boon or another nontoken enchantment enters the battlefield under your control, create a 1/1 white Soldier creature token.

Whenever the final chapter ability of a Saga you control triggers, create a 4/4 white Angel creature token with flying and vigilance.

Science Teacher -- Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of permanents enter the battlefield as tokens.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

(As this Saga enters and after your draw step, add a lore counter.)

I -- Return up to one target creature or planeswalker to its owner's hand.

II -- Return an artifact card from your graveyard to your hand. If you can't, draw a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Flying

Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Flying

Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Lifelink

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create an 8/8 blue Kraken creature token with hexproof.

II -- Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step.

III -- Gain control of target permanent an opponent controls. Untap it.

Whenever an enchantment you control is put into a graveyard from the battlefield, create a 1/1 white Bird creature token with flying.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- You and target opponent each draw two cards.

II -- Create a 1/1 white Bird creature token with flying.

III -- Put a +1/+1 counter on each of up to two target creatures.

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

Flying

At the beginning of combat on your turn, populate. (Create a token that's a copy of a creature token you control.)

Whenever a creature token enters the battlefield under your control, put a +1/+1 counter on Nesting Dovehawk.

Whenever Oath of the Ancient Wood or another enchantment enters the battlefield under your control, you may put a +1/+1 counter on target creature.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Put a +1/+1 counter on up to one target creature. Create a Food token.

II -- Draw a card. Create a Food token.

III -- Create a 1/1 white Halfling creature token for each Food you control.

Whenever an enchantment enters the battlefield under your control, you may create a token that's a copy of it. Do this only once each turn.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Flash

Flying

You may cast historic spells as though they had flash. (Artifacts, legendaries, and Sagas are historic.)

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

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

Vigilance

{1}, {T}: Create a tapped token that's a copy of target token that entered the battlefield this turn.

Doctor's companion (You can have two commanders if the other is the Doctor.)

{T}: Add X mana of any one color, where X is the number of enchantments you control.

{T}: Put a lore counter on each Saga you control. Activate only as a sorcery.

When Satsuki, the Living Lore dies, choose up to one --

• Return target Saga or enchantment creature you control to its owner's hand.

• Return target Saga card from your graveyard to your hand.

Whenever you cast an enchantment spell, draw a card.

Scholar of New Horizons enters the battlefield with a +1/+1 counter on it.

{T}, Remove a counter from a permanent you control: Search your library for a Plains card and reveal it. If an opponent controls more lands than you, you may put that card onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand. Then shuffle.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Gain control of up to one target artifact for as long as you control Scroll of Isildur. The Ring tempts you.

II -- Tap up to two target creatures. Put a stun counter on each of them.

III -- Draw a card for each tapped creature target opponent controls.

Search your library for a snow permanent card, a legendary card, or a Saga card, reveal it, put it into your hand, then shuffle. You gain 1 life for each {S} spent to cast this spell. ({S} is mana from a snow source.)

For each token you control, create a token that's a copy of that permanent.

Imprint -- When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand.

Spells you cast that share a card type with the exiled card cost {2} less to cast.

Constellation -- Whenever an enchantment enters the battlefield under your control, put a +1/+1 counter on Setessan Champion and draw a card.

Whenever you cast an enchantment spell, create a 4/4 white Angel creature token with flying.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Scry 2, then draw two cards.

II -- Create a Treasure token and a 2/2 blue Bird creature token with flying.

III -- Put a flying counter on each creature you control without flying.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Until your next turn, creatures you control gain "{T}: Add one mana of any color."

III -- Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

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.

Flying

Artifact and enchantment spells you cast cost {1} less to cast.

As Stenn, Paranoid Partisan enters the battlefield, choose a card type other than creature or land.

Spells you cast of the chosen type cost {1} less to cast.

{1}{W}{U}: Exile Stenn. Return it to the battlefield under its owner's control at the beginning of the next end step.

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains.

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

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- For each player, destroy up to one target creature that player controls. For each creature destroyed this way, its controller creates a 3/3 green Mutant creature token with deathtouch.

II -- Target nontoken creature becomes a 6/6 legendary Horror creature named Fenric and loses all abilities.

III -- Target Mutant fights another target creature named Fenric.

When The Eighth Doctor enters the battlefield, mill three cards.

Once during each of your turns, you may play a historic land or cast a historic permanent spell from your graveyard. If you do, it gains "If this permanent would leave the battlefield, exile it instead of putting it anywhere else."

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I -- Create a 1/1 white Human Soldier creature token.

II -- Put three +1/+1 counters on target creature you control.

III -- If you control a creature with power 4 or greater, draw two cards.

IV -- Create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

(As this Saga enters and after your draw step, add a lore counter.)

I, II -- Draw a card, then discard a card.

III -- Exile this Saga, then return it to the battlefield transformed under your control.

Flying

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I, II -- Another target nonland permanent phases out. It can't phase in for as long as you control The Phasing of Zhalfir.

III -- Destroy all creatures. For each creature destroyed this way, its controller creates a 2/2 black Phyrexian creature token.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create a 1/1 blue Bird creature token with flying. You gain 2 life.

II -- Whenever one or more creatures you control with flying deal combat damage to a player this turn, look at that player's hand and draw a card.

III -- You may put a card you own from outside the game on top of your library.

Time Lord's Prerogative -- Whenever you cast a historic spell, copy it, except the copy isn't legendary. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. A copy of a permanent spell becomes a token.)

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I -- Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

II -- Create a 1/1 green Saproling creature token.

III -- Domain -- Target creature you control gets +X/+X and gains trample until end of turn, where X is the number of basic land types among lands you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I -- Create a 1/1 white Mouse creature token.

II, III -- Create a token that's a copy of target token you control.

IV -- Creatures you control get +1/+1 and gain vigilance until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I, II, III -- Exile target nontoken creature an opponent controls until Trial of a Time Lord leaves the battlefield.

IV -- Starting with you, each player votes for innocent or guilty. If guilty gets more votes, the owner of each card exiled with Trial of a Time Lord puts that card on the bottom of their library.

Tuvasa the Sunlit gets +1/+1 for each enchantment you control.

Whenever you cast your first enchantment spell each turn, draw a card.

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

{T}, Pay 1 life: Add {G} or {U}.

{1}, {T}, Sacrifice Waterlogged Grove: Draw a card.

{2}, {T}: Choose target enchantment you control that doesn't have the same name as another permanent you control. Create a token that's a copy of it, except it isn't legendary. If the token is an Aura, untap Yenna, Redtooth Regent, then scry 2. Activate only as a sorcery.