Basalt Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap Basalt Monolith.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity. Equip commander {3} Equip {5}

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

{3}, {T}: Double the amount of each type of unspent mana you have.

Colorless creatures you control get +2/+2. Whenever you tap a permanent for {C}, add an additional {C}. Whenever you cast a colorless spell, you gain 2 life.

Grim Monolith doesn't untap during your untap step. {T}: Add {C}{C}{C}. {4}: Untap Grim Monolith.

Guardian Idol enters the battlefield tapped. {T}: Add {C}. {2}: Guardian Idol becomes a 2/2 Golem artifact creature until end of turn.

{T}: Add {C}{C}. {2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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}

As Herald's Horn enters the battlefield, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

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

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}.

Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.

{T}, Put a page counter on Mazemind Tome: Scry 1. {2}, {T}, Put a page counter on Mazemind Tome: Draw a card. When there are four or more page counters on Mazemind Tome, exile it. If you do, you gain 4 life.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

{1}, {T}, Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

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

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.

Nevinyrral's Disk enters the battlefield tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.

{8}, {T}: Search your library for a permanent card, put it onto the battlefield, then shuffle.

{4}, {T}: You may put a creature card from your hand onto the battlefield.

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

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

{4}, {T}: You may put a historic permanent card from your hand onto the battlefield. (Artifacts, legendaries, and Sagas are historic.)

If a player would begin an extra turn, that player skips that turn instead. If Ugin's Nexus would be put into a graveyard from the battlefield, instead exile it and take an extra turn after this one.

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

As Urza's Incubator enters the battlefield, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

Whenever Bane of Bala Ged attacks, defending player exiles two permanents they control.

All creatures able to block Breaker of Armies do so.

When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast.

When you cast this spell, create a 10/10 colorless Eldrazi creature token.

This spell costs {1} less to cast for each card type among cards in your graveyard. When you cast this spell, you gain control of target opponent during that player's next turn. After that turn, that player takes an extra turn. Flying, trample, protection from instants

Untap Endbringer during each other player's untap step. {T}: Endbringer deals 1 damage to any target. {C}, {T}: Target creature can't attack or block this turn. {C}{C}, {T}: Draw a card.

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

Trample Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

{T}: Add {C}. ({C} represents colorless mana.)

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.) Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

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

When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

{T}: Add {C}.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

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

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

Flying You can't lose the game and your opponents can't win the game.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

Trample {5}: Permanents you control gain indestructible until end of turn. {5}, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog, the Ceaseless Hunger attacks, defending player exiles the top twenty cards of their library.

When you cast this spell, destroy target permanent. Indestructible Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values.

Counter target spell or ability that targets a permanent you control. This spell costs {7} less to cast if it targets a spell or ability that targets a creature you control with power 7 or greater.

Exile target permanent.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}: Add {C}. {1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {5}, {T}: Draw a card. Activate only if you have the city's blessing.

Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

{T}: Add {C}. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {3}, {T}: Draw a card. Activate only if you control a creature with power 4 or greater.

{T}: Add {C}. {2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {C}. {T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

{T}: Add {C}. {T}, Sacrifice Crystal Vein: Add {C}{C}.

{T}: Add {C}. {T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

{T}: Add {C}. {2}, {T}: Exile target creature you control. {4}, {T}, Sacrifice Endless Sands: Return each creature card exiled with Endless Sands to the battlefield under its owner's control.

Colorless Eldrazi spells you cast cost {2} less to cast. {7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

Guildless Commons enters the battlefield tapped. When Guildless Commons enters the battlefield, return a land you control to its owner's hand. {T}: Add {C}{C}.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}: Add {C}. {1}, {T}: Put a storage counter on Mage-Ring Network. {T}, Remove any number of storage counters from Mage-Ring Network: Add {C} for each storage counter removed this way.

Mirrorpool enters the battlefield tapped. {T}: Add {C}. {2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

When Radiant Fountain enters the battlefield, you gain 2 life. {T}: Add {C}.

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

{T}: Add {C}. {2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

{T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

{T}: Add {C}. {6}, {T}, Sacrifice Spawning Bed: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

{T}: Add {C}. {T}, Sacrifice Strip Mine: Destroy target land.

{T}: Add {C}{C}. Activate only if you control five or more lands.

{T}: Add {C}. {2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

{T}: Add {C}. {2}, {T}: You gain 1 life for each colorless creature you control.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

(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.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. {3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.

Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. −2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.

Colorless spells you cast cost {2} less to cast. +1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. −3: Destroy target permanent that's one or more colors.

Each player sacrifices all permanents they control that are one or more colors.