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.)

Changeling (This card is every creature type.) Haste Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

When this creature enters, exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flying When this creature enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Norin can't block. Whenever a creature you control becomes blocked, you may exile it. You may play that card from exile this turn.

When this creature enters, exile target land. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Exile target creature you own, then return it to the battlefield under your control. The Ring tempts you.

Barad-dûr enters tapped unless you control a legendary creature. {T}: Add {B}. {X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.

Whenever you discard a card, exile that card from your graveyard. {2}, {T}: Draw a card, then discard a card. {4}, {T}, Sacrifice this artifact: Return all cards exiled with this artifact to their owner's hand.

Cascade (When you cast this spell, 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 in a random order.) Target creature can't block this turn.

First strike At the beginning of each of your postcombat main phases, look at the top X cards of your library, where X is the total amount of life your opponents lost this turn. Exile one of those cards and put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

When this artifact enters, scry 1, then draw a card. {2}, {T}, Sacrifice this artifact: You gain 3 life. When this artifact is put into a graveyard from the battlefield, its owner shuffles it into their library.

You draw a card and you lose 1 life. Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

As an additional cost to cast this spell, exile X cards from your graveyard. You draw X cards and you lose X life.

Each other player discards a card. You draw a card for each card discarded this way.

When Bill the Pony enters, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.") Sacrifice a Food: Until end of turn, target creature you control assigns combat damage equal to its toughness rather than its power.

Flying When this creature enters, amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

When this creature enters, create a Food token. When you do, target creature you control gets +1/+1 until end of turn for each Food you control. (A Food token is an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

When this creature enters, it deals 4 damage to target creature.

Haste (This creature can attack and {T} as soon as it comes under your control.) {T}: Kamahl deals 3 damage to any target.

Flying Enmitic Exterminator — When this creature enters, each player sacrifices a creature of their choice. Unearth {5}{B}{B}{B} ({5}{B}{B}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

{T}: Exile target creature card from a graveyard that was put there this turn. Create a token that's a copy of it, except it's a Nightmare in addition to its other types. Then exile all other Nightmare tokens you control.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) If a permanent would be put into a graveyard, exile it instead.

If a creature an opponent controls would die, exile it instead. {2}, {T}, Sacrifice Stone of Erech: Exile target player's graveyard. Draw a card.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {R}.

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {4}, {T}: Remove target attacking or blocking creature from combat.

{T}: Add {C}. {1}, {T}: Put a storage counter on this land. {1}, Remove X storage counters from this land: Add X mana in any combination of {B} and/or {R}.

({T}: Add {R}.)

{T}: Add {C}. {5}, {T}, Exile this land: Target creature's owner shuffles it into their library.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

This land enters tapped. When this land enters, exile up to three target cards from graveyards. {T}: Add {C}. {T}: Add one mana of any of the exiled cards' colors.

({T}: Add {W}.)

({T}: Add {B}.)

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {B} or {R}.

This land enters tapped. {T}: Add {B} or {R}.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{2}, {T}: Target creature you control phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{0}: Remove target attacking creature you control from combat and untap it. (If you activate during end of combat, the creature will untap after it deals combat damage.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +2/+2 and has protection from white and from black. Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand. Equip {2}

Defender (This creature can't attack.) Whenever this creature is dealt combat damage, it deals that much damage to target opponent or planeswalker.

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach this Equipment to target creature you control. Equip {1}

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") III — Exile the top three cards of target opponent's library. You may play those cards this turn.

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

This artifact enters tapped with a time counter on it. {T}: Add an amount of {C} equal to the number of time counters on this artifact. {4}, {T}: Time travel. Activate only as a sorcery. (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.)

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

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

Exile target artifact or enchantment.

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

Exile target black or red permanent.

Echo of the First Murder — When Drach'Nyen enters, exile up to one target creature. Daemon Sword — Equipped creature has menace and gets +X/+0, where X is the exiled card's power. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, destroy target creature that was dealt damage this turn.

Fading 5 (This enchantment enters with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from this enchantment: Exile target creature. When this enchantment leaves the battlefield, each player returns to the battlefield all cards they own exiled with it.

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

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

{T}: Target player exiles a card from their graveyard. {1}, Exile this artifact: Exile all graveyards. Draw a card.

{T}: Destroy target tapped creature.

{1}: Permanents your opponents control lose hexproof, indestructible, protection, shroud, and ward until end of turn. Whenever a creature an opponent controls becomes the target of a spell or ability you control, put a bounty counter on that creature. Whenever a creature with a bounty counter on it dies, put two +1/+1 counters on Shay Cormac.

Target opponent reveals their hand. That player exiles a card from it, then you exile a card from it. Repeat this process until all cards in that hand have been exiled. That player returns the cards they exiled this way to their hand and puts the rest into their graveyard.