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

Flying

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Trample

Whenever a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card.

Foretell {2}{G}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Enchant artifact or land

Enchanted permanent has "{T}: Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the bottom in a random order.)

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.)

First strike

When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

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

Sacrifice Commander's Sphere: Draw a card.

Flash

Flying

Foretelling cards from your hand costs {1} less and can be done on any player's turn.

Foretell {2}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

{T}: Add {R}.

As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card."

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Menace

Paradox -- Whenever you cast a spell from anywhere other than your hand, Flaming Tyrannosaurus deals 3 damage to any target. Then put a +1/+1 counter on Flaming Tyrannosaurus.

When Flaming Tyrannosaurus dies, it deals damage equal to its power to each opponent.

(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.

Paradox -- Whenever you cast a spell from anywhere other than your hand, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

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

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

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

I, II -- Investigate.

III -- Heaven Sent deals 1 damage to each opponent. Then if an opponent has 0 or less life, draw seven cards. Otherwise, exile Heaven Sent and you may cast it this turn.

Trample

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Paradox -- Whenever you cast a spell from anywhere other than your hand, create a 2/2 red Alien Warrior creature token.

Vigilance, trample, haste

Whenever Karvanista attacks, put a +1/+1 counter on each Human you control.

---

Humans you control gain indestructible until your next turn. (Then exile this card. You may cast the creature later from exile.)

Haste

Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn.

Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.

Flying, trample

Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Escape--{4}{G}{U}, Exile a land you control, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Each other creature you control enters the battlefield with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types.

At the beginning of combat on your turn, put your choice of a +1/+1, first strike, vigilance, or menace counter on Me, the Immortal.

Counters remain on Me as it moves to any zone other than a player's hand or library.

You may cast Me from your graveyard by discarding two cards in addition to paying its other costs.

Paradox -- Whenever you cast a spell from anywhere other than your hand, Memory Worm deals 2 damage to target player. That player discards a card, then draws a card. Put a +1/+1 counter on Memory Worm.

{T}: Add {U} for each counter on Nardole. Spend this mana only to cast noncreature spells.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

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

When you cast this spell, create a token that's a copy of it, except it isn't legendary.

{T}: Add {C}. Spend this mana only to cast an artifact spell or activate an ability of an artifact.

Paradox -- Whenever you cast a spell from anywhere other than your hand, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

As long as it's your turn, each instant and sorcery card in your graveyard has flashback. Its flashback cost is equal to 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 River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.

{T}: Add one mana of any color.

{T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.

{G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

Flying

Spells you cast from anywhere other than your hand cost {2} less to cast.

Foretell {4}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Sisterhood of Karn enters the battlefield with a +1/+1 counter on it.

Paradox -- Whenever you cast a spell from anywhere other than your hand, double the number of +1/+1 counters on Sisterhood of Karn.

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

{T}: Add one mana of any color.

{1}, {T}: Untap another target artifact.

{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{3}, {T}: Target creature can't be blocked this turn.

You may cast Squee, the Immortal from your graveyard or from exile.

Vigilance, trample

Grenades! -- {2}, {T}, Sacrifice an artifact: Choose a player at random. When you do, Strax fights another target creature that player controls.

Glory of Battle -- Whenever Strax deals damage to a creature, put a +1/+1 counter on Strax.

Flying

Whenever TARDIS attacks, if you control a Time Lord, the next spell you cast this turn has cascade and you may planeswalk.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

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

I -- The Flux deals 4 damage to target creature an opponent controls.

II, III, IV, V -- Exile the top card of your library. You may play that card this turn.

VI -- Add six {R}.

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 {1}{G} (During your turn, you may pay {2} 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 {2}{R}{G} until end of turn. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Paradox -- Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature.

Team TARDIS -- At the beginning of your end step, untap each creature you control with a counter on it.

You have no maximum hand size.

{T}: Add {C}.

The first spell you cast from exile each turn has cascade. (When you cast your first spell from exile, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

{T}: Exile the top card of your library. Until your next end step, you may play it.

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