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.)

As a historic permanent you control enters, it becomes a 7/7 Dinosaur creature in addition to its other types. (Artifacts, legendaries, and Sagas are historic.)

At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)

If you would draw a card while your library has no cards in it, you win the game instead.

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature you control enters, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

Counter target spell.

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

At the beginning of your upkeep, Honden of Infinite Rage deals damage to any target equal to the number of Shrines you control.

Creatures with power less than this creature's power can't block creatures you control. Whenever another creature you control enters, put a +1/+1 counter on this creature.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control.

At the beginning of your upkeep, put three +1/+1 counters on target creature you control and three +1/+1 counters on target creature an opponent controls.

Whenever a player casts a spell, you may put a +1/+1 counter on this creature. At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto other creatures.

Enchant creature When this Aura enters, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on this creature. This creature has trample as long as it has ten or more +1/+1 counters on it.

{2}: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on this creature.

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on this enchantment. At the beginning of your upkeep, if this enchantment has twenty or more growth counters on it, you win the game.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Enchant player At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, create a 3/1 red Knight creature token. Then if you're the monarch, this enchantment deals X damage to each opponent, where X is the number of creatures you control.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

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

Enchant creature At the beginning of your upkeep, create a token that's a copy of enchanted creature.

At the beginning of your upkeep, create a 1/1 red Goblin creature token with haste. Goblin creatures attack each combat if able.

At the beginning of your upkeep, create a 1/1 colorless Spirit creature token for each Shrine you control.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on this creature.

You may have this creature enter as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

At the beginning of your upkeep, put a doom counter on this artifact. At the beginning of your draw step, this artifact deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from this artifact. Any player may activate this ability but only during any upkeep step.

At the beginning of your upkeep, put a time counter on this artifact. All creatures get +1/+0 for each time counter on this artifact. {3}: Remove a time counter from this artifact. Any player may activate this ability but only during any upkeep step.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Equipped creature has first strike and "{T}, Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker." Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)

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

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

This land enters tapped. {T}: Add {C}. {4}, {T}, Tap an untapped legendary creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

({T}: Add {G}.)

{T}: Add {G} for each creature you control.

({T}: Add {U}.)

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

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

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

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

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

{T}: Add {C}. {T}, Tap an untapped creature you control: Add one mana of any color.

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

The Shire enters tapped unless you control a legendary creature. {T}: Add {G}. {1}{G}, {T}, Tap an untapped creature you control: Create a Food token.

({T}: Add {G} or {U}.)

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

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, you may put a land card from your hand onto the battlefield. If you're the monarch, instead you may put a creature or land card from your hand onto the battlefield.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

When this enchantment enters, you become the monarch. At the beginning of your upkeep, this enchantment deals 2 damage to any target. If you're the monarch, it deals 7 damage instead.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, choose up to one other target enchantment or artifact. If you're the monarch, you may create a token that's a copy of it. If you're not the monarch, you may have this enchantment become a copy of it, except it has this ability.

At the beginning of your upkeep, draw a card for each Shrine you control.

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 upkeep, each player draws a card. If you have the city's blessing, instead only you draw a card.

At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card.

At the beginning of your upkeep, put a lore counter on this enchantment, then draw a card for each lore counter on this enchantment.

At the beginning of your upkeep, target opponent mills three cards, then you draw a card for each land card put into their graveyard this way.

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top five cards of your library. For each nonland card exiled this way, put a number of time counters on that card equal to its mana value. If it doesn't have suspend, it gains suspend. II — Time travel, then time travel. III — For each opponent, destroy up to one target artifact that player controls.

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

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Lands you control have "{T}: Create a Treasure token."

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Devoid (This card has no color.) At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add {C}." {1}{G}, Sacrifice this enchantment: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.

At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.

{T}: Add one mana of any color. Tap an untapped legendary creature you control: Add one mana of any color.

{T}: Add one mana of any color. At the beginning of your upkeep, put a night counter on this artifact. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

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