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

Whenever you cast an enchantment spell, draw a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — You and target opponent each draw two cards. II — Exile target artifact an opponent controls. III — Each player chooses three nonland permanents they control. Destroy all other nonland permanents.

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.

Constellation — Whenever an enchantment you control enters, put a +1/+1 counter on this creature and draw a card.

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

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

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

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.

This spell costs {X} less to cast, where X is the total mana value of historic permanents you control. (Artifacts, legendaries, and Sagas are historic.) Equipped creature gets +10/+0 and has vigilance. Equip legendary creature {2}

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

Trample, haste Whenever Eivor deals combat damage to a player, you mill that many cards. You may put a Saga card and/or a land card from among them onto the battlefield.

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

This creature enters 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.

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

(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.

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 this creature.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. II — Create a 0/4 colorless Wall artifact creature token with defender. III — You gain 2 life.

Return all artifact and enchantment cards from your graveyard to the battlefield.

Suspend 2—{1}{W} (Rather than cast this card from your hand, pay {1}{W} 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.) Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Target creature you control fights up to one target creature you don't control. II — Add {R}. Put two +1/+1 counters on up to one target creature you control. III — You gain life equal to the greatest power among creatures you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — For each player, exile up to one target non-Saga, nonland permanent that player controls until this Saga 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 — Scry 2. II — Put two +1/+1 counters on target creature you control. III — Until end of turn, target creature you control gains "When this creature dies, draw two cards." Then that creature fights up to one other target creature.

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after VI.) I — Create a Treasure token. II, III, IV, V, VI — Create a token that's a copy of target non-Saga token you control.

Flying When this creature enters, return an enchantment card from your graveyard to your hand or unlock a locked door of a Room you control. Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, create a 3/1 white Spirit creature token with flying.

Whenever this enchantment or another nontoken enchantment you control enters, 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.

(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 token: Add one mana of any color.")

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Exile all nonland permanents that aren't legendary.