At the beginning of combat on each opponent's turn, they may pay . If they don't, creatures they control can't attack Jaces you control this turn.
[+1]: Draw two cards, then put a card from your hand on the bottom of your library.
[−3]: Exile another target planeswalker or creature you control. Reveal cards from the top of your library until you reveal a creature or planeswalker card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
Jace, Multiverse Architect can be your commander.
Deathtouch, vigilance
Landfall — Whenever a land you control enters, draw a card. Then if this is the first time this ability has resolved this turn, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
Omnath gets +1/+1 for each unspent mana you have.
If you would lose unspent mana, that mana becomes colorless instead.
Landfall — Whenever a land you control enters, add .
Unconnected to the land, it hungers.
When Dack Fayden enters, reveal cards from the top of your library until you reveal X creature cards, where X is the number of opponents you have. Put those creature cards onto the battlefield, then shuffle. They're goaded for the rest of the game. For each of those permanents, choose a different opponent. Each opponent gains control of the permanent for which they were chosen.
Flying
When Ob Nixilis enters, destroy all tapped creatures your opponents control. You gain 1 life for each creature destroyed this way.
At the beginning of each end step, if you gained life this turn, create a 4/4 white Angel creature token with flying.
Choose target opponent. Until that player's next turn, they gain protection from everything and their life total can't change. All nonland permanents they control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before that player untaps during their next untap step.)
Exile Teferi's Reproach.
Flying, deathtouch
Whenever Avacyn or another nontoken creature you control dies, return that card to the battlefield under your control at the beginning of the next end step.
"She binds them to do naught but worship her. It is no salvation she grants, but servitude."
—Geist of Saint Thalia
Whenever Jhoira enters or attacks, target opponent reveals cards from the top of their library until they reveal a historic permanent card. You put that card onto the battlefield under your control and lose life equal to that permanent's mana value. That player puts the rest of the revealed cards on the bottom of their library in a random order. (Artifacts, legendaries, and Sagas are historic.)
Flash
When Venser enters, choose one —
• Copy target instant or sorcery spell an opponent controls twice. You may choose new targets for the copies.
• Create two tokens that are copies of target permanent an opponent controls. They gain haste. At the beginning of the next end step, sacrifice them.
Flying
Whenever you gain life, you may pay that much life. If you do, draw that many cards.
: Each opponent loses 1 life and you gain 1 life.
Devourer of the Obzedat, tithe-drinker, and necroparun eternal.
Flying, double strike, haste
When Tamiyo enters, you become the monarch.
Whenever one or more creatures deal combat damage to you while you're the monarch, tap those creatures and put a stun counter on each of them.
She seized the throne to protect her family first, Kamigawa second.
Eminence — As long as The Ur-Sphinx is in the command zone or on the battlefield, other Sphinx spells you cast cost less to cast.
Flying
Whenever one or more Sphinxes you control attack, each player mills that many cards. For each player, you may cast a card that player milled this way without paying its mana cost.
Flying, indestructible
You can't lose the game and your opponents can't win the game.
Creatures you control can't have -1/-1 counters put on them.
An alloy of curiosity and hope; the caretaker of a gleaming plane of possibility.
When Ginger enters, you become the monarch.
, , Sacrifice Ginger: You gain 6 life.
At the beginning of each upkeep, if you're the monarch, create a Gingerbrute token. (It's a 1/1 Food Golem artifact creature with haste, ": This token can't be blocked this turn except by creatures with haste," and ", , Sacrifice this token: You gain 3 life.")
Indestructible
When Memnarch enters, create two 1/1 colorless Myr artifact creature tokens.
Whenever Memnarch attacks, draw a card for each artifact you control.
In the gleam between metal and suns, Memnarch found meaning.
(: Add or .)
This land enters tapped unless your opponents control eight or more lands.
"The Theorist swears this Multiverse will be free of suffering, but part of me wonders if he just plans on hiding it better."
—Tam, field notes
(: Add or .)
This land enters tapped unless your opponents control eight or more lands.
"I knew this Multiverse to be superior when I had never experienced the other. Now that I have, I am . . . less certain."
—Tam, field notes
(: Add or .)
This land enters tapped unless your opponents control eight or more lands.
"There is a deep sadness here . . . one I had not thought possible in this reality. Is it my understanding that's flawed or the Theorist's?"
—-Tam, field notes
This spell can't be countered.
Flying, trample, protection from white and from blue
: Akroma gets +1/+0 until end of turn.
Morph (You may cast this card face down as a 2/2 creature for . Turn her face up any time for her morph cost.)
: Add one mana of any color in your commander's color identity.
"Everything is in progress . . . just like us. May we always know exactly who we are."
—Jace, to Tam
: Add .
Jace could see the sunlight in his Multiverse, but somewhere along the way, he lost the feel of its warmth.
: Add one mana of any color in your commander's color identity.
The pinnacle of Jace's hope for a better, different Multiverse.
: Add one mana of any type that a land you control could produce.
"Jace's world is like a warped mirror. Like some part of him strains against what the Theorist is creating."
—Vraska
[+1]: Create three 1/1 white Soldier creature tokens.
[−3]: Destroy all creatures with power 4 or greater.
[−7]: You get an emblem with "Creatures you control get +2/+2 and have flying."
If you control a commander, you may cast this spell without paying its mana cost.
Creatures you control gain indestructible until end of turn.
"Captain, your units are the tip of our spear. There is zero room for failure."
—Jirina Kudro
Create X 1/1 green and white Citizen creature tokens. Creatures you control gain indestructible until end of turn.
The roar of applause drowned out the melee raging in the lobby.
Create two 1/1 white Spirit creature tokens with flying.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
The murdered inhabitants of Hollowhenge impart to the living the terror they felt in death.
Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.
Their war forgotten, the nations of Bant stood united in the face of a common threat.
Impending 4— (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)
Whenever this permanent enters or attacks, create two 2/1 white Insect creature tokens with flying.
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Create X 1/1 white Warrior creature tokens.
"The Shifting Wastes provide our clan eternal protection. It is our duty to return the favor."
—Kadri, Dromoka warrior
Flying
As this creature enters, choose a card type.
You and creatures you control have protection from the chosen card type.
Where swords fail, faith transcends.
At the beginning of your upkeep, you lose 1 life and create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block."
Corrupted — As long as an opponent has three or more poison counters, creatures you control with toxic have lifelink.
When this artifact enters, create a 1/1 white Spirit creature token with flying.
Whenever you create one or more creature tokens, put a story counter on this artifact.
, , Remove a story counter from this artifact: Draw a card.
Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.
"Who was that knight, so graceful and strong? Why did she flee before the food was gone?"
—Tale of the Masked Maiden
Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)
"Let the light scour away your imperfect flesh."
—Heliod
Exile target creature. Its controller gains life equal to its power.
"The arc of my blade has carved a path of light for the peace that will follow."
You gain X life. Create X 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This token can't block." If X is 5 or more, destroy all other creatures. (Players dealt combat damage by a creature with toxic 1 also get a poison counter.)
Draw three cards, then put two cards from your hand on top of your library in any order.
"I have a plan. Actually, I have three."
Draw four cards, then put two cards from your hand on top of your library in any order.
In the Cosmos, secrets swirl and spark like windborne embers, and only Alrund can capture them.
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
"Try to pretend like you understand what's important."
Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.
Draw X cards, then discard X cards. Create a 1/1 white Spirit creature token with flying for each card type among cards discarded this way.
In a single unending moment, a hundred lifetimes of knowledge coursed through his unraveling mind.
Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, create an X/X blue Shark creature token with flying.
Exile all creatures you control. At the beginning of the next end step, reveal cards from the top of your library until you reveal that many creature cards, put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.
To Jin-Gitaxias, perfection is not a goal, but a process.
Flying
Your opponents can't gain life.
At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)
Flying
Whenever this creature enters or attacks, target opponent sacrifices a creature or planeswalker of their choice, discards a card, and loses 3 life. You draw a card and gain 3 life.
Malice spreads on wings of tyranny.
At the beginning of your upkeep, you lose 1 life and amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
Whenever a Zombie token you control with power 6 or greater attacks, it gains lifelink until end of turn.
: Add .
As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.
Exile target permanent with mana value 4 or greater.
Liliana whispered to whatever consciousness Oketra and Bontu had left. "You are the gods. He is the usurper. You know what to do."
Whenever you cast a noncreature spell, draw a card.
As Narset struggled to meditate, tiny dragonlings spiraled around her, conjuring thoughts of ancient clans.
As this enchantment enters, choose Mardu or Jeskai.
• Mardu — If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
• Jeskai — At the beginning of your upkeep, create a 1/1 red Goblin creature token. It gains lifelink and haste until end of turn.
, : Add .
The maze-like design embodies the core of Azorius law—strict structure designed to test wills and stall change.
Lands you control have ": Add one mana of any color."
: Add one mana of any color.
By guild tradition, any puddle of multicolored light on the cobblestones can serve as neutral ground.
Whenever you discard a card, you may exile that card from your graveyard.
, : Draw a card, then discard a card.
: Put a card exiled with this artifact into its owner's graveyard. If it's a land card, create a Treasure token. If it's a nonland card, create a 2/2 black Rogue creature token.
, : Add .
An emblem of a secret guild, the Dimir insignia is seen only by its own members—and the doomed.
: Add one mana of any color that a land an opponent controls could produce.
"What do you have that I cannot obtain?"
—Mairsil, the Pretender
, : Add .
The Izzet signet is redesigned often, each time becoming closer to a vanity portrait of Niv-Mizzet.
, : Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.
, : Add .
Made of bone and boiled in blood, a Rakdos signet is not considered finished until it has been used as a murder weapon.