Astral Cornucopia enters the battlefield with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

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

Flying, deathtouch When Baleful Strix enters the battlefield, draw a card.

Whenever Carth the Lion enters the battlefield or a planeswalker you control dies, look at the top seven cards of your library. You may reveal a planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. Planeswalkers' loyalty abilities you activate cost an additional [+1] to activate.

When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Flash If a nontoken creature would enter the battlefield and it wasn't cast, exile it instead.

Shadow (This creature can block or be blocked by only creatures with shadow.) If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it. {T}, Sacrifice Dauthi Voidwalker: Choose an exiled card an opponent owns with a void counter on it. You may play it this turn without paying its mana cost.

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead. Choose a Background (You can have a Background as a second commander.)

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Flying You, planeswalkers you control, and other creatures you control have hexproof. {4}{G}{G}: Put a +1/+1 counter on each creature you control.

No more than one creature can attack each combat. No more than one creature can block each combat.

At the beginning of your end step, put a +1/+1 counter on each creature you control and a loyalty counter on each planeswalker you control.

When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

When Oath of Ajani enters the battlefield, put a +1/+1 counter on each creature you control. Planeswalker spells you cast cost {1} less to cast.

When Oath of Liliana enters the battlefield, each opponent sacrifices a creature. At the beginning of each end step, if a planeswalker entered the battlefield under your control this turn, create a 2/2 black Zombie creature token.

When Oath of Nissa enters the battlefield, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. You may spend mana as though it were mana of any color to cast planeswalker spells.

When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step. You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

{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 Simic Ascendancy. At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Destroy target creature or enchantment.

Counter target noncreature spell.

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

Exile target creature. Its controller gains life equal to its power.

Arcane Sanctum enters the battlefield tapped. {T}: Add {W}, {U}, or {B}.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

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

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

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

({T}: Add {G}.)

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

Opulent Palace enters the battlefield tapped. {T}: Add {B}, {G}, or {U}.

({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 Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.

Sandsteppe Citadel enters the battlefield tapped. {T}: Add {W}, {B}, or {G}.

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

({T}: Add {B}.)

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

Thriving Moor enters the battlefield tapped. As Thriving Moor enters the battlefield, choose a color other than black. {T}: Add {B} or one mana of the chosen color.

Vivid Creek enters the battlefield tapped with two charge counters on it. {T}: Add {U}. {T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Vivid Grove enters the battlefield tapped with two charge counters on it. {T}: Add {G}. {T}, Remove a charge counter from Vivid Grove: Add one mana of any color.

Vivid Marsh enters the battlefield tapped with two charge counters on it. {T}: Add {B}. {T}, Remove a charge counter from Vivid Marsh: Add one mana of any color.

+1: Distribute three +1/+1 counters among one, two, or three target creatures you control. +1: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order. −8: You gain 100 life.

+1: Draw a card, then put a card from your hand on top of your library. −1: Exile another target permanent you own, then return it to the battlefield under your control. −6: Choose left or right. Each player gains control of all nonland permanents other than Aminatou, the Fateshifter controlled by the next player in the chosen direction. Aminatou, the Fateshifter can be your commander.

+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."

+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.

+1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying." −3: Exile target nonland permanent. −7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost."

+1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls. −1: Draw a card. You may play an additional land this turn. −5: You get an emblem with "At the beginning of your end step, create a 9/9 blue Kraken creature token."

+1: Look at the top card of your library. If it's a noncreature, nonland card, you may reveal it and put it into your hand. −2: When you cast your next instant or sorcery spell from your hand this turn, it gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.) −9: You get an emblem with "Your opponents can't cast noncreature spells."

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

+2: Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") +1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3. −5: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.

+1: Until your next turn, creatures you control get +1/+0 and gain lifelink. −2: Create a 2/2 black Vampire creature token with flying. −6: You get an emblem with "At the beginning of each opponent's upkeep, that player sacrifices a creature."

+1: Choose up to two target creatures. Until your next turn, whenever either of those creatures deals combat damage, you draw a card. −2: Tap up to two target nonland permanents. They don't untap during their controller's next untap step. −7: Draw three cards. You get an emblem with "You may cast spells from your hand without paying their mana costs."

+1: Tap target permanent. It doesn't untap during its controller's next untap step. −2: Draw a card for each tapped creature target player controls. −8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. +1: Draw a card, then discard a card. −3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.) −10: Take two extra turns after this one.

+1: Create a 1/1 colorless Thopter artifact creature token with flying. 0: Draw a card. If you control three or more artifacts, draw two cards instead. −9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle."

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

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.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy all creatures.

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

Return any number of permanent cards with different names from your graveyard to the battlefield.

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

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.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Return all legendary permanent cards from your graveyard to the battlefield.

Exile target creature. Put two loyalty counters on a planeswalker you control.

This spell can't be countered. Destroy all creatures.

({U/P} can be paid with either {U} or 2 life.) Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)