Each player sacrifices two creatures.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

You lose X life and create X tapped Powerstone tokens. Then all creatures get -1/-1 until end of turn for each artifact you control. (The tokens are artifacts with ": Add . This mana can't be spent to cast a nonartifact spell.")

At the beginning of your upkeep, sacrifice Territorial Dispute unless you sacrifice a land.

Players can't play lands.

Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

At the beginning of your upkeep, if you have 50 or more life, you win the game.

Flying

Whenever Tethered Skirge becomes the target of a spell or ability, you lose 1 life.

+2: Create two 0/1 black Thrull creature tokens.

+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.

−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.

Tevesh Szat, Doom of Fools can be your commander.

Partner

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

−2: Create a 0/3 white Wall creature token with defender.

Creature and planeswalker spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

+2: Tezzeret, Master of the Bridge deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.

−3: Return target artifact card from your graveyard to your hand.

−8: Exile the top ten cards of your library. Put all artifact cards from among them onto the battlefield.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

Shadow (This creature can block or be blocked by only creatures with shadow.)

You may choose not to untap Thalakos Dreamsower during your untap step.

Whenever Thalakos Dreamsower deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as Thalakos Dreamsower remains tapped.

: Add .

: Add or . Thalakos Lowlands doesn't untap during your next untap step.

First strike

Noncreature spells cost more to cast.

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thallid Germinator.

Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets +1/+1 until end of turn.

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

Indestructible

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

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

: Tap another target creature.

Constellation — Whenever Thassa's Devourer or another enchantment enters the battlefield under your control, target player mills two cards.

This spell costs less to cast for each permanent sacrificed this turn.

Haste

The Balrog, Durin's Bane can't be blocked except by legendary creatures.

When The Balrog dies, destroy target artifact or creature an opponent controls.

When you cast this spell, gain control of target creature until end of turn. Untap it. It gains menace and haste until end of turn.

The Beast enters the battlefield tapped with six stun counters on it. (If it would become untapped, remove a stun counter from it instead.)

Whenever a creature deals combat damage to its owner, untap The Beast and draw a card.

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

I — Each player mills three cards.

II — Exile up to two target cards from graveyards. For each creature card exiled this way, you gain 1 life.

III — Return target creature or land card from your graveyard to your hand.

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

I — Create a 2/3 red Demon Berserker creature token with menace.

II — Whenever a Berserker attacks this turn, you draw a card and you lose 1 life.

III — Add for each Berserker you control. Until end of turn, you don't lose this mana as steps and phases end.

At the beginning of your end step, if you lost 2 or more life this turn, create a 2/2 black Zombie creature token.

, Exile The Book of Vile Darkness and artifacts you control named Eye of Vecna and Hand of Vecna: Create Vecna, a legendary 8/8 black Zombie God creature token with indestructible and all triggered abilities of the exiled cards.

This spell costs less to cast for each creature card in your graveyard.

Whenever a creature you control dies, put it on the bottom of its owner's library.

, , Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

When you control no permanents other than The Cheese Stands Alone and have no cards in hand, you win the game.

Assist (Another player can pay up to of this spell's cost. You choose the value of X.)

Support X. (Put a +1/+1 counter on each of up to X target creatures.)

Each creature with a +1/+1 counter on it gains trample until end of turn.

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

I, II, III — Exile cards from the top of your library until you exile a legendary card. You may play that card for as long as The Day of the Doctor remains on the battlefield. Put the rest of those exiled cards on the bottom of your library in a random order.

IV — Choose up to three Doctors. You may exile all other creatures. If you do, The Day of the Doctor deals 13 damage to you.

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

I, II — You gain 2 life. Look at the top three cards of your library. Exile one of them face down with a hatching counter on it, then put the rest on the bottom of your library in any order.

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

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."

Destroy any number of target planeswalkers. Choose a planeswalker you control. Put two loyalty counters on it for each planeswalker destroyed this way.

I. AM. TALKING — Whenever The Eleventh Doctor deals combat damage to a player, you may exile a card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend.

: Target creature with power 3 or less can't be blocked this turn.

No more than one creature can attack The Eternal Wanderer each combat.

+1: Exile up to one target artifact or creature. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

0: Create a 2/2 white Samurai creature token with double strike.

−4: For each player, choose a creature that player controls. Each player sacrifices all creatures they control not chosen this way.

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

I — Exile target creature an opponent controls with mana value 4 or greater.

II — Each player gains control of all permanents they own.

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

When The First Doctor enters the battlefield, search your library and/or graveyard for a card named TARDIS, reveal it, and put it into your hand. If you search your library this way, shuffle.

Whenever you cast a spell with cascade, put a +1/+1 counter on target artifact or creature.

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

I — Discard your hand.

II — Draw two cards.

III — If a red source you control would deal damage to a permanent or player this turn, it deals that much damage plus 2 to that permanent or player instead.

The Foretold Soldier must be blocked if able.

The Foretold Soldier can't be blocked by more than one creature.

Whenever The Foretold Soldier deals damage, exile it face down. It becomes foretold.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When The Fugitive Doctor enters the battlefield, investigate.

Whenever The Fugitive Doctor attacks, you may sacrifice a Clue. When you do, target instant or sorcery card in your graveyard gains flashback until end of turn. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1.

A Thousand Souls Die Every Day — , Sacrifice a creature: Add three mana in any combination of colors.

The Grand Calcutron can be your commander.

When The Grand Calcutron enters the battlefield, each player's hand becomes a program (an ordered row of revealed cards).

Players can only play the first card of their program.

If a card would be put into a player's hand from anywhere, that player reveals it and places it anywhere within their program instead.

At the beginning of each player's end step, if that player's program has fewer than five cards, they draw cards equal to the difference.

Exile target permanent, then put it into its owner's hand. That player discards that card, then puts it on top of their library. Then they put it onto the battlefield.

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

I — Create a 3/3 green Beast creature token.

II — You may sacrifice a creature. If you do, search your library for a creature or basic land card, reveal it, put it into your hand, then shuffle.

III — Up to two target creatures each get +2/+2 and gain trample until end of turn.

You may tap three untapped Dwarves you control rather than pay this spell's mana cost.

At the beginning of each end step, if a land you controlled was put into a graveyard from the battlefield this turn, reveal the top four cards of your library. You may put any number of Dwarf cards from among them into your hand. Put the rest on the bottom of your library in a random order.

Flying

Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.

: Draw a card, then discard a card.

When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

Body Thief — When you cast this spell, you may exile a creature you control and put a takeover counter on it.

You may have The Master, Formed Anew enter the battlefield as a copy of a creature card in exile with a takeover counter on it.

Myriad

The "legend rule" doesn't apply to creature tokens you control.

Triggered abilities you control can't cause you to sacrifice or exile creature tokens you control.

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

I, II — Mill two cards, then you may return a creature card from your graveyard to your hand.

III — Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.

Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar.

, : Double the number of time counters on The Millennium Calendar.

When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

The Monumental Facade enters the battlefield with two oil counters on it.

: Add .

, Remove an oil counter from The Monumental Facade: Put an oil counter on target artifact or creature you control. Activate only as a sorcery.

When The Motherlode, Excavator enters the battlefield, choose target opponent. You get an amount of (energy counters) equal to the number of nonbasic lands that player controls.

Whenever The Motherlode attacks, you may pay . When you do, destroy target nonbasic land defending player controls, and creatures that player controls without flying can't block this turn.

(Transforms from The Everflowing Well.)

: Add .

Whenever you cast a permanent spell using mana produced by The Myriad Pools, up to one other target permanent you control becomes a copy of that spell until end of turn.