Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

{T}, Exile Memory Vessel: Each player exiles the top seven cards of their library. Until your next turn, players may play cards they exiled from their library this way, and they can't play cards from their hand. Activate only as a sorcery.

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead. {1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery. Cycling {2} ({2}, Discard this card: Draw a card.)

If you would create a Clue, Food, or Treasure token, instead create one of each.

Flying Whenever Aerial Extortionist enters the battlefield or deals combat damage to a player, exile up to one target nonland permanent. For as long as that card remains exiled, its owner may cast it. Whenever another player casts a spell from anywhere other than their hand, draw a card.

Whenever you attack with one or more non-Gnome creatures, put a +1/+1 counter on Anim Pakal, then create X 1/1 colorless Gnome artifact creature tokens that are tapped and attacking, where X is the number of +1/+1 counters on Anim Pakal.

Affinity for Food (This spell costs {1} less to cast for each Food you control.) Trample Banquet Guests enters the battlefield with twice X +1/+1 counters on it. {2}, Sacrifice a Food: Banquet Guests gains indestructible until end of turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) At the beginning of each end step, if you created a token this turn, draw a card.

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice an artifact: Choose one — • Exile the top card of your library. Until the end of your next turn, you may play that card. • Target creature gets +2/+0 until end of turn.

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Whenever this creature attacks, double the number of +1/+1 counters on target creature. That creature can't be blocked by creatures with power 2 or less this turn.

Whenever you attack, spells you cast from exile this turn cost {X} less to cast, where X is the number of players being attacked. Exile the top X cards of your library. Until end of turn, you may cast spells from among those exiled cards.

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it. Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities. {1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

Vigilance Whenever one or more +1/+1 counters are put on Dusk Legion Duelist, draw a card. This ability triggers only once each turn.

Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

Whenever you cast a spell from exile or a land enters the battlefield under your control from exile, create a 2/2 green Wolf creature token. {1}, {T}, Discard a card: Exile the top card of your library. You may play it this turn.

When Farmer Cotton enters the battlefield, create X 1/1 white Halfling creature tokens and X Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Flying When Gilded Goose enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {1}{G}, {T}: Create a Food token. {T}, Sacrifice a Food: Add one mana of any color.

Whenever an artifact enters the battlefield under your control, Hedron Detonator deals 1 damage to target opponent. {T}, Sacrifice two artifacts: Exile the top card of your library. You may play that card this turn.

Whenever one or more +1/+1 counters are put on Herd Baloth, you may create a 4/4 green Beast creature token.

Whenever one or more artifacts enter the battlefield under your control, Ingenious Artillerist deals that much damage to each opponent.

If you would create one or more tokens, you may instead create that many 2/2 green Cat creature tokens with haste or that many 3/1 green Dog creature tokens with vigilance.

Whenever a modified creature you control attacks, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.) Whenever you cast a spell from exile, put a +1/+1 counter on target creature you control.

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

Haste Whenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn. Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.

Thopters you control have haste. Whenever you play a land from exile or cast a spell from exile, create a 1/1 colorless Thopter artifact creature token with flying.

At the beginning of your upkeep, each player exiles cards from the top of their library until they exile a nonland card. An opponent chooses a nonland card exiled this way. You may cast up to two spells from among the other cards exiled this way without paying their mana costs.

When Rosie Cotton of South Lane enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie.

Whenever an artifact enters the battlefield under your control, look at the top card of your library. If it's a land card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Flying, vigilance Whenever one or more +1/+1 counters are put on a creature you control, Shalai and Hallar deals that much damage to target opponent.

Haste At the beginning of your upkeep, exile the top card of your library. You may play it this turn. At the beginning of each opponent's upkeep, the next time they would draw a card this turn, instead they exile the top card of their library. They may play it this turn.

The first spell you cast from exile each turn has cascade. (When you cast your first spell from exile, 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 of your library in a random order.)

Whenever you put one or more counters on a permanent or player, All Will Be One deals that much damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

Whenever a creature is dealt damage, its controller may exile that many cards from the top of their library. They may play those cards until the end of their next turn.

Landfall — Whenever a land enters the battlefield under your control, choose one — • Create a 2/2 white Cat Beast creature token. • Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Invigorating Hot Spring enters the battlefield with four +1/+1 counters on it. Modified creatures you control have haste. (Equipment, Auras you control, and counters are modifications.) Remove a +1/+1 counter from Invigorating Hot Spring: Put a +1/+1 counter on target creature you control. Activate only as a sorcery and only once each turn.

When Killer Service enters the battlefield, create a number of Food tokens equal to the number of opponents you have. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") At the beginning of your end step, you may pay {2} and sacrifice a token. If you do, create a 4/4 green Rhino Warrior creature token.

When Share the Spoils enters the battlefield or an opponent loses the game, exile the top card of each player's library. During each player's turn, that player may play a land or cast a spell from among cards exiled with Share the Spoils, and they may spend mana as though it were mana of any color to cast that spell. When they do, exile the top card of their library.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top four cards of your library. Until the end of your next turn, you may play those cards. II, III — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.

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

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

For each player, choose target nonenchantment, nonland permanent that player controls. Those permanents' owners shuffle them into their libraries. Each player who controlled one of those permanents exiles cards from the top of their library until they exile a nonland card, then puts the rest on the bottom of their library in a random order. Each player may cast the nonland card they exiled without paying its mana cost.

Hobbit's Sting deals X damage to target creature, where X is the number of creatures you control plus the number of Foods you control.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Choose one — • Naya Charm deals 3 damage to target creature. • Return target card from a graveyard to its owner's hand. • Tap all creatures target player controls.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs {2} more to cast.

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

({T}: Add {G} or {W}.) Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

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

Copperline Gorge enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {R} or {G}.

{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 {G}.) Gingerbread Cabin enters the battlefield tapped unless you control three or more other Forests. When Gingerbread Cabin enters the battlefield untapped, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Grasslands enters the battlefield tapped. {T}, Sacrifice Grasslands: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Hidden Courtyard enters the battlefield tapped. {T}: Add {W}. {4}{W}, {T}, Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Nursery enters the battlefield tapped. {T}: Add {G}. {4}{G}, {T}, Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Volcano enters the battlefield tapped. {T}: Add {R}. {4}{R}, {T}, Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

Krosan Verge enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}, Sacrifice Naya Panorama: Search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle.

({T}: Add {W}.)

({T}: Add {G} or {W}.) Radiant Grove enters the battlefield tapped.

({T}: Add {R} or {W}.) Sacred Peaks enters the battlefield tapped.

Thriving Bluff enters the battlefield tapped. As Thriving Bluff enters the battlefield, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

Thriving Grove enters the battlefield tapped. As Thriving Grove enters the battlefield, choose a color other than green. {T}: Add {G} or one mana of the chosen color.

Thriving Heath enters the battlefield tapped. As Thriving Heath enters the battlefield, choose a color other than white. {T}: Add {W} or one mana of the chosen color.

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.

Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn. You may play an additional land this turn.

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

You may sacrifice two Foods. If you do, create a 7/7 green Giant creature token. Otherwise, create three Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. Create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Search your library for a basic land card, put it onto the battlefield, then shuffle. Suspend 2—{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Destroy all creatures with no counters on them.

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.

{T}: Add {C}. {2}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

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

Each spell you cast that's red or green costs {1} less to cast.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}: Add {G} for each +1/+1 counter on Gyre Sage.

This spell costs {1} less to cast for each creature you control with a +1/+1 counter on it. Creature spells you cast cost {1} less to cast for each creature you control with a +1/+1 counter on it.

When Jared Carthalion, True Heir enters the battlefield, target opponent becomes the monarch. You can't become the monarch this turn. If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Mosswort Bridge enters the battlefield tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

Flying Whenever you cast a spell from exile, copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and "At the beginning of the end step, sacrifice this permanent." (A copy of a permanent spell becomes a token.)

Destroy target artifact or enchantment. Its controller gains 4 life.

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

As Outpost Siege enters the battlefield, choose Khans or Dragons. • Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card. • Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent."

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

Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.

Destroy all artifacts and enchantments. For each permanent destroyed this way, its controller creates a 3/3 green Centaur creature token.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

When Rocco, Cabaretti Caterer enters the battlefield, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Whenever another nontoken creature enters the battlefield under your control, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Sacrifice three Foods: Return target historic card from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.)

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Spinerock Knoll enters the battlefield tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

Search your library for a basic land card, put it onto the battlefield, then shuffle. 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.)

Destroy all creatures with power 3 or greater. Then create a Food token for each creature you control. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

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

If a player would draw a card, that player exiles that card face up instead. Each player may play lands and cast spells from among cards they exiled with Uba Mask this turn.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.) If a creature you control with a +1/+1 counter on it would deal damage to a permanent or player, it deals double that damage instead.

Enchant artifact or land Enchanted permanent has "{T}: Target player adds two mana of any one color. The next spell they cast this turn has cascade." (When they cast their next spell, they exile cards from the top of their library until they exile a nonland card that costs less. They may cast it without paying its mana cost. They put the exiled cards on the bottom in a random order.)

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When Conclave Mentor dies, you gain life equal to its power.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

{1}, {T}: Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Whenever you sacrifice a Food, create a tapped Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever you cast a spell from exile, Quintorius Kand deals 2 damage to each opponent and you gain 2 life. +1: Create a 3/2 red and white Spirit creature token. −3: Discover 4. −6: Exile any number of target cards from your graveyard. Add {R} for each card exiled this way. You may play those cards this turn.

At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells.

Equipped creature gets +2/+2 and has protection from red and from green. Whenever equipped creature deals combat damage to a player, exile the top two cards of your library. You may play those cards this turn. You may play an additional land this turn. Equip {2}

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Landfall — Whenever a land enters the battlefield under your control, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Vigilance Whenever you attack, you create a Food token for each player being attacked. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") {W}, {T}, Tap X untapped Foods you control: Create X 1/1 white Human creature tokens.

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

Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead. Foretell {4}{R}{R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Paradox — Whenever you cast a spell from anywhere other than your hand, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Doctor's companion (You can have two commanders if the other is the Doctor.)

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

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

At the beginning of your upkeep, put a +1/+1 counter on each creature you control if you control a creature with power 5 or greater. Then you gain 10 life if you control a creature with power 10 or greater. Then you win the game if you control a creature with power 20 or greater.

When Night of the Sweets' Revenge enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.") Foods you control have "{T}: Add {G}." {5}{G}{G}, Sacrifice Night of the Sweets' Revenge: Creatures you control get +X/+X until end of turn, where X is the number of Foods you control. Activate only as a sorcery.

Whenever you cast a creature spell, create a 3/3 green Beast creature token. Whenever you cast a noncreature spell, put three +1/+1 counters on target creature you control. Landfall — Whenever a land enters the battlefield under your control, you gain 3 life.

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