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.)

For each of X target permanents, create X tokens that are copies of that permanent.

Flash Defender, haste {1}{U}, {T}: Copy target spell you control that wasn't cast. You may choose new targets for the copy.

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

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.) Create a token that's a copy of target permanent you control.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II, III — Reveal cards from the top of your library until you reveal a Doctor card, a card with doctor's companion, or a Vehicle card. Put that card into your hand and the rest on the bottom of your library in a random order.

Flying Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Mill three cards. You may put a historic card from among them into your hand. (Artifacts, legendaries, and Sagas are historic.) IV — Historic spells you cast this turn cost {2} less to cast.

Look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)

Look at the top four cards of your library. You may reveal an enchantment or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Constellation — Whenever this creature or another enchantment you control enters, draw a card.

Whenever one or more artifacts you control enter, put two +1/+1 counters on this creature. This ability triggers only once each turn. Whenever one or more enchantments you control enter, draw a card. This ability triggers only once each turn.

Flash Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, 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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Scry 2. II — Choose a card name. III — When you cast a spell with the chosen name for the first time this turn, draw two cards. IV — Look at the top card of each player's library.

Whenever you cast a historic spell, investigate. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Doctor's companion (You can have two commanders if the other is the Doctor.)

Choose up to five {P} worth of modes. You may choose the same mode more than once. {P} — Draw a card. {P}{P} — Choose an artifact or creature you control. Create a token that's a copy of it. {P}{P}{P} — Return each nonland, nontoken permanent to its owner's hand.

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

(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 — Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -2/-0 until end of turn. II — Discard any number of cards, then investigate twice for each card discarded this way. III — Shuffle up to three target cards from your graveyard into your library.

When this land enters, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

When this land enters, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

This land enters tapped unless you control a Forest. {T}: Add {G}. Delirium — {2}{G}{G}: This land becomes a copy of target permanent card in your graveyard until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Reveal the top five cards of your library. You may put a creature or enchantment card from among them into your hand. Put the rest into your graveyard.

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

For each opponent, choose up to one target artifact or enchantment that player controls. For each permanent chosen this way, its controller may exile it. Then if one or more of the chosen permanents are still on the battlefield, you search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If you control a creature with power 4 or greater, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Draw a card. You may put a land card from your hand onto the battlefield.

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

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

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

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

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

(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 to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Return each nonland permanent that's not historic to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

(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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a Cursed Role token attached to up to one target creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.) II — Scry 2. III — When you next cast an instant or sorcery spell with mana value 3 or less this turn, copy that spell. You may choose new targets for the copy.

Choose one — • Destroy target creature with flying. • Destroy target enchantment. • Draw a card. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Tap target creature an opponent controls. It doesn't untap during its controller's untap step for as long as you control this Saga. III — Return all tapped creatures to their owners' hands.

(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 this Saga 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 this Saga puts that card on the bottom of their library.

Flying Project Image — When this creature enters, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

(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.

Create X tokens that are copies of target token you control. Then tokens you control gain indestructible until your next turn. You gain 1 life for each token you control.

First strike, lifelink Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token. Then if you have the city's blessing, for each token you control that entered this turn, create a token that's a copy of it.

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

(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 an additional cost to cast this spell, you may collect evidence 8. (Exile cards with total mana value 8 or greater from your graveyard.) Search your library for a basic land card. If evidence was collected, instead search your library for a creature or land card. Reveal that card, put it into your hand, then shuffle.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 1/1 white Human creature token with ward {2} and a 4/4 white Alien Rhino creature token. II — Investigate. III — You may exile a Human you control and an artifact you control. If you do, search your library for a Doctor card, put it onto the battlefield, then shuffle.