Impossible Girl — If Clara Oswald is your commander, choose a color before the game begins. Clara Oswald is the chosen color. If a triggered ability of a Doctor you control triggers, that ability triggers an additional time. Doctor's companion (You can have two commanders if the other is the Doctor.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures. Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

First strike, hexproof Whenever Narset attacks, exile the top four cards of your library. Until end of turn, you may cast noncreature spells from among those cards without paying their mana costs.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

+1: Draw a card. At the beginning of the next end step, untap up to two lands. −3: Put target nonland permanent into its owner's library third from the top. −8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."

You may activate loyalty abilities of Teferi on any player's turn any time you could cast an instant. +1: Draw a card, then discard a card. −3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) −10: Take two extra turns after this one.

Instant, sorcery, and Dragon spells you control can't be countered. Whenever you cast an instant or sorcery spell from your hand, if Taigam attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with this artifact, choose one of them at random. You may cast it without paying its mana cost.

Vanishing 4 (This enchantment enters with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) At the beginning of your first main phase, draw a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Investigate. III — This Saga deals 1 damage to each opponent. Then if an opponent has 0 or less life, draw seven cards. Otherwise, exile this Saga and you may cast it this turn.

Vanishing 12 (This enchantment enters with twelve time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) Whenever one or more time counters are removed from this enchantment, scry 1 and you gain 1 life. Then if this enchantment has no time counters on it, exile it. When you do, take an extra turn after this one.

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

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

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

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

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

{2}, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. If it's a creature, it has haste.)

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Flash At the beginning of your upkeep, put an oil counter on this artifact. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on this artifact.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

+1: You gain 2 life. Add {U}, {R}, or {W}. Spend this mana only to cast a noncreature spell. −2: Draw a card, then you may discard a card. When you discard a nonland card this way, Narset deals damage equal to that card's mana value to target creature or planeswalker. −6: You get an emblem with "Whenever you cast a noncreature spell, this emblem deals 2 damage to any target."

You may cast spells from your hand without paying their mana costs.

+1: Tap target permanent, then untap another target permanent. −2: Ral Zarek deals 3 damage to any target. −7: Flip five coins. Take an extra turn after this one for each coin that comes up heads.

Add {R} for each card in target opponent's hand. Until end of turn, you don't lose this mana as steps and phases end. Exile Rousing Refrain with three time counters on it. Suspend 3—{1}{R} (Rather than cast this card from your hand, you may pay {1}{R} and exile it with three 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.)

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

{T}: Add {C}. {T}: Add {R} or {W}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

Take an extra turn after this one.

Take an extra turn after this one. If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Take an extra turn after this one.

Target player takes an extra turn after this one.

Buyback—Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Target player takes an extra turn after this one.

Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with this enchantment. You may cast any number of the copies without paying their mana costs.

Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy. This ability triggers only once each turn. +2: Add two mana in any combination of colors. +1: Exile the top five cards of your library. Until the end of your next turn, you may cast an instant or sorcery spell from among those exiled cards. −X: Chandra deals X damage to each of up to two targets.

Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose one — • Destroy target artifact. • Target creature gets +1/+1 and gains trample until end of turn. • Remove two time counters from target permanent or suspended card.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Lightning Bolt deals 3 damage to any target.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

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

Temporal Foresight — When this creature enters, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or greater. Exile that card with three time counters on it. If it doesn't have suspend, it gains suspend. Put the rest of the revealed cards on the bottom of your library in a random order.

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

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

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

({T}: Add {W}.)

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

({T}: Add {U}, {R}, or {W}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {W}.

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

{T}: Add {U}. Put a time counter on Trenzalore Clocktower. {1}{U}, {T}, Remove twelve time counters from Trenzalore Clocktower and exile it: Shuffle your graveyard and hand into your library, then draw seven cards. Activate only if you control a Time Lord.

Exile the top three cards of your library. You may play those cards until end of turn. Put four time counters on each of those cards that has suspend. Suspend 4—{R}

This spell can't be countered. Destroy target permanent. Target player draws four cards. Take an extra turn after this one. Exile Rise of the Eldrazi.

Draw two cards, then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. Then target opponent does the same. Cards exiled this way that don't have suspend gain suspend. Time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)