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.

Enchant artifact or creature

When Awakened Awareness enters the battlefield, put X +1/+1 counters on enchanted permanent.

As long as enchanted permanent is a creature, it has base power and toughness 1/1.

Banefire deals X damage to any target.

If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end.

Creatures you control can boast twice during each of your turns rather than once.

Discard a card: Exile the top two cards of your library. You may play those cards this turn.

At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Flying

Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

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

Sacrifice Commander's Sphere: Draw a card.

{T}: Add {R}.

As Cursed Mirror enters the battlefield, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Indestructible

{T}: Add {C}.

Indestructible

{T}: Add one mana of any color.

You have no maximum hand size.

{T}: Add one mana of any color.

Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor.

{4}, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Empowered Autogenerator enters the battlefield tapped.

{T}: Put a charge counter on Empowered Autogenerator. Add X mana of any one color, where X is the number of charge counters on Empowered Autogenerator.

Flying

At the beginning of your upkeep, return an artifact you control to its owner's hand.

Artifact spells you cast cost {1} less to cast.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

{T}: Add {U}.

Sacrifice Eye of Ramos: Add {U}.

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

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

Firemind Vessel enters the battlefield tapped.

{T}: Add two mana of different colors.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Artifact spells you cast cost {1} less to cast.

Create X 1/1 red Goblin creature tokens.

{T}: Add {R}.

{T}: Add {C}.

{1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{T}: Add {R}.

Sacrifice Heart of Ramos: Add {R}.

Hell to Pay deals X damage to target creature. Create a number of tapped Treasure tokens equal to the amount of excess damage dealt to that creature this way.

Flash

This spell can't be countered.

Whenever you cast a spell, choose up to one --

• Return target spell you don't control to its owner's hand.

• Return target nonland permanent to its owner's hand.

Planeswalkers you control have "[0]: Proliferate" and "[-12]: Take an extra turn after this one."

Whenever you cast a noncreature spell, choose a counter on target permanent. Put an additional counter of that kind on that permanent.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

{U}{R}, {T}, Sacrifice Izzet Cluestone: Draw a card.

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

{U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.

Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card.

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

{U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice Izzet Locket: Draw two cards.

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

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

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

Whenever you cast a noncreature spell, Kessig Flamebreather deals 1 damage to each opponent.

Sacrifice an artifact: Add {C}{C}.

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

Whenever you cast a noncreature spell, Lambholt Raconteur deals 1 damage to each opponent.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever you cast a noncreature spell, Lambholt Ravager deals 2 damage to each opponent.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

{T}: Add one mana of any color.

{1}, {T}: Tap target artifact.

{2}, {T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

{3}, {T}: Goad target creature. (Until your next turn, it attacks each combat if able and attacks a player other than you if able.)

Whenever equipped creature deals combat damage, put a charge counter on Lost Jitte.

Remove a charge counter from Lost Jitte: Choose one --

• Untap target land.

• Target creature can't block this turn.

• Put a +1/+1 counter on equipped creature.

Equip {1}

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

As Mirrodin Besieged enters the battlefield, choose Mirran or Phyrexian.

• Mirran -- Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token.

• Phyrexian -- At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Metalcraft -- {T}: Add one mana of any color. Activate only if you control three or more artifacts.

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

You may look at the top card of your library any time.

You may cast artifact spells and colorless spells from the top of your library.

{T}, Pay 1 life: Exile the top card of your library.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Power Depot enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Modular 1

{T}: Add {C}. You gain 1 life.

{T}: Add {C}.

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

Choose one --

• Create an X/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step.

• Purphoros's Intervention deals twice X damage to target creature or planeswalker.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. 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."

Ward {2}

As Roaming Throne enters the battlefield, choose a creature type.

Roaming Throne is the chosen type in addition to its other types.

If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

Rotating Fireplace enters the battlefield tapped with a time counter on it.

{T}: Add an amount of {C} equal to the number of time counters on Rotating Fireplace.

{4}, {T}: Time travel. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

-2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

{1}{U}, Sacrifice two artifacts: Draw a card.

You may have Sakashima of a Thousand Faces enter the battlefield as a copy of another creature you control, except it has Sakashima of a Thousand Faces's other abilities.

The "legend rule" doesn't apply to permanents you control.

Partner (You can have two commanders if both have partner.)

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

Scene of the Crime enters the battlefield tapped.

{T}: Add {C}.

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

{2}, Sacrifice Scene of the Crime: Draw a card.

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

{T}: Add {U}.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Silverbluff Bridge enters the battlefield tapped.

Indestructible

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

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

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

{T}: Add one mana of any color.

{1}, {T}: Untap another target artifact.

{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{3}, {T}: Target creature can't be blocked this turn.

Flying, haste

Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Starstorm deals X damage to each creature.

Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Add {C}.

{T}: Add {U} or {R}. Talisman of Creativity deals 1 damage to you.

Flying

Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.

{2}{U}{R}: Draw a card, then discard a card.

When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

You have no maximum hand size.

{T}: Add {C}.

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

Flying

Trawler Drake enters the battlefield with an oil counter on it.

Trawler Drake gets +1/+1 for each oil counter on it.

Whenever you cast a noncreature spell, put an oil counter on Trawler Drake.

{T}: Add {C}.

{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.

Remove a charge counter from Umezawa's Jitte: Choose one --

• Equipped creature gets +2/+2 until end of turn.

• Target creature gets -1/-1 until end of turn.

• You gain 2 life.

Equip {2}

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Draw X cards.

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

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Urza's Saga gains "{T}: Add {C}."

II -- Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"

III -- Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.

When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Tap an untapped artifact you control: Add {U}.

{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

---

Copy target activated or triggered ability you control. You may choose new targets for the copy.

{T}: Add {R}. Put a charge counter on Vulshok Factory.

{2}{R}, {T}, Sacrifice Vulshok Factory: Create an X/X colorless Golem artifact creature token with haste, where X is the number of charge counters on Vulshok Factory. Activate only as a sorcery.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.