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.)

Reach When Bonny Pall enters, create Beau, a legendary blue Ox creature token with "Beau's power and toughness are each equal to the number of lands you control." Whenever you attack, draw a card, then you may put a land card from your hand or graveyard onto the battlefield.

You may cast spells this turn as though they had flash. Draw a card.

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn — • Add {G}{G}{G}. • Put a +1/+1 counter on each creature you control. • Scry 2, then draw a card.

When this enchantment enters, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.) Whenever a creature you control with power 4 or greater enters, draw a card.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Landfall — Whenever a land you control enters, you gain 1 life and draw a card.

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library. −1: Untap up to four target permanents. −10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant." Teferi, Temporal Archmage can be your commander.

As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark." +1: Attach The Aetherspark to up to one target creature you control. Put a +1/+1 counter on that creature. −5: Draw two cards. −10: Add ten mana of any one color.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Counter target spell.

Return each nonland permanent that's not historic to its owner's hand. (Artifacts, legendaries, and Sagas are historic.)

If it's not your turn, you may exile a blue card from your hand rather than pay this spell's mana cost. Counter target noncreature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

When Kogla enters, it fights up to one target creature you don't control. Whenever Kogla attacks, destroy target artifact or enchantment defending player controls. {1}{G}: Return target Human you control to its owner's hand. Kogla gains indestructible until end of turn.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

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

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

{T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash.

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

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

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

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

As this land enters, you may reveal a Forest or Plains card from your hand. If you don't, this land enters tapped. {T}: Add {G} or {W}.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

{T}, Pay 1 life: Add {G} or {W}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {W} or {U}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {W}.

({T}: Add {W}.)

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

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

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

({T}: Add {G} or {W}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

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

This land enters tapped. {T}: Add {G}, {W}, or {U}.

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

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

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 {W} or {U}.

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 {G} or {U}.

Trample Whenever you attack, choose one — • Create a tapped and attacking X/X green Dinosaur creature token with trample, where X is the greatest power among other attacking creatures. • Create X 1/1 white Vampire creature tokens with lifelink, where X is the number of other attacking creatures.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Creatures you control gain flying, vigilance, and double strike until end of turn. • Creatures you control gain lifelink, indestructible, and protection from each color until end of turn.

Flash Flying During each opponent's end step, you may cast spells as though they had flash.

Flying, lifelink Each legendary permanent you control has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Permanents you control gain hexproof and indestructible until end of turn.

Flash (You may cast this spell any time you could cast an instant.) Flying You may cast spells as though they had flash.

If this card is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

Flash Flying You may cast historic spells as though they had flash. (Artifacts, legendaries, and Sagas are historic.)

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

You may have this creature enter as a copy of any creature on the battlefield, except it isn't legendary, is an artifact in addition to its other types, and has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

Flash You may cast legendary spells and artifact spells as though they had flash. If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

Create a token that's a copy of target creature you control, except it isn't legendary. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

You may have Sakashima enter as a copy of another creature you control, except it has Sakashima's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

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

You may spend mana as though it were mana of any color. {T}: Add {C}{C}{C}{C}{C}. {5}, {T}: Draw a card for each color among permanents you control.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

+1: Untap two target lands. −1: Create a 3/3 green Beast creature token. −4: Creatures you control get +3/+3 and gain trample until end of turn.

{T}: Add three mana of any one color.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

Whenever you cast a creature spell with mana value 4 or greater, you draw a card, gain 1 life, and put a +1/+1 counter on Helga. {T}: Add X mana of any one color, where X is Helga's power. Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with {X} in their mana costs.

Creatures you control have vigilance and "{T}: Add one mana of any color. Spend this mana only to cast a creature spell." Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

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

Cast this spell only during an opponent's turn after their upkeep step. Untap all lands you control.

Untap all permanents you control during each other player's untap step.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Equipped creature gets +2/+2 and has protection from black and from green. Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control. Equip {2}

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

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

Search your library for a Forest card, put it onto the battlefield, then shuffle.