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

Flying, vigilance, trample

As Archon of Valor's Reach enters the battlefield, choose artifact, enchantment, instant, sorcery, or planeswalker.

Players can't cast spells of the chosen type.

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

At the beginning of your upkeep, put a time counter on As Foretold.

Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.

Azorius Guildgate enters the battlefield tapped.

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

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

Devoid (This card has no color.)

When Birthing Hulk enters the battlefield, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

{1}{C}: Regenerate Birthing Hulk.

Equipped creature gets +1/+1 for each land you control.

Equip legendary creature {3}

Equip {7}

Flying, trample

At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on Blood Tyrant for each 1 life lost this way.

Whenever a player loses the game, put five +1/+1 counters on Blood Tyrant.

Bloodfell Caves enters the battlefield tapped.

When Bloodfell Caves enters the battlefield, you gain 1 life.

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

All creatures able to block Breaker of Armies do so.

Devoid (This card has no color.)

When Brood Monitor enters the battlefield, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield.

Flying, vigilance

(Melds with Gisela, the Broken Blade.)

({T}: Add {G} or {W}.)

Canopy Vista enters the battlefield tapped unless you control two or more basic lands.

Cinder Barrens enters the battlefield tapped.

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

{T}: Add one mana of any color.

{T}: Put a charge counter on Coalition Relic.

At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

You may reveal an Eldrazi card you own from outside the game or choose a face-up Eldrazi card you own in exile. Put that card into your hand.

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

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 Crypt of the Eternals enters the battlefield, you gain 1 life.

{T}: Add {C}.

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

Indestructible

{T}: Add one mana of any color.

Emerge {6}{G}{G}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.

Trample, haste

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

Emerge {5}{B}{B} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, target opponent reveals their hand. You choose from it a nonland card with mana value 3 or less and a card with mana value 4 or greater. That player discards those cards.

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

{3}, {T}, Sacrifice Dreamstone Hedron: Draw three cards.

Flash

Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, tap up to four target permanents.

Creatures you control get +1/+1 and have flying and indestructible.

At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.

Vigilance

Other creatures you control get +2/+2.

Creatures your opponents control get -2/-2.

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

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}.

{G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

Foul Orchard enters the battlefield tapped.

{T}: Add {B} or {G}.

Devoid (This card has no color.)

At the beginning of your upkeep, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

{1}{G}, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle.

As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.

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

{T}: Add three mana of any one color.

Flying, first strike, lifelink

At the beginning of your end step, if you both own and control Gisela, the Broken Blade and a creature named Bruna, the Fading Light, exile them, then meld them into Brisela, Voice of Nightmares.

({T}: Add {W} or {B}.)

As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Vigilance

{T}: Create an 8/8 Beast creature token that's red, green, and white.

When Growing Rites of Itlimoc enters the battlefield, look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

At the beginning of your end step, if you control four or more creatures, transform Growing Rites of Itlimoc.

(Transforms from Growing Rites of Itlimoc.)

{T}: Add {G}.

{T}: Add {G} for each creature you control.

{T}: Add {C}.

{R}, {T}: Target creature gains haste until end of turn.

{3}{R}{R}, {T}: If you both own and control Hanweir Battlements and a creature named Hanweir Garrison, exile them, then meld them into Hanweir, the Writhing Township.

Whenever Hanweir Garrison attacks, create two 1/1 red Human creature tokens that are tapped and attacking.

(Melds with Hanweir Battlements.)

Equipped creature gets +X/+X, where X is its mana value.

Equip {4}

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}

Devoid (This card has no color.)

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

Highland Lake enters the battlefield tapped.

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

+1: Put a loyalty counter on Huatli, Radiant Champion for each creature you control.

-1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

-8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may draw a card."

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.

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

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

Izzet Guildgate enters the battlefield tapped.

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

Flying

You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

Enchant creature you control

When enchanted creature dies, return it to the battlefield under your control, then return Journey to Eternity to the battlefield transformed under your control.

(Transforms from Journey to Eternity.)

{T}: Add one mana of any color.

{3}{B}{G}, {T}: Return target creature card from your graveyard to the battlefield.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

{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 one mana of any color.

Mystic Monastery enters the battlefield tapped.

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

+2: You may discard a card. If you do, draw a card.

-2: Exile target enchantment, tapped artifact, or tapped creature.

-8: Search your library for an artifact or creature card, put it onto the battlefield, then shuffle. It gains haste. Return it to your hand at the beginning of the next end step.

+2: Untap up to two target creatures and up to two target lands.

-3: Target creature gets +5/+5 until end of turn.

-10: Look at the top ten cards of your library. You may put any number of creature and/or land cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

+3: You gain 3 life.

-4: Reveal the top two cards of your library. Put all land cards from among them onto the battlefield and the rest into your hand.

-12: Creatures you control get +5/+5 and gain trample until end of turn.

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

As Pillar of Origins enters the battlefield, choose a creature type.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

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

({T}: Add {W} or {U}.)

Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Protection from everything

If Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{R}.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

You have no maximum hand size.

{T}: Add {C}.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.

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

Ruins of Oran-Rief enters the battlefield tapped.

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

{T}: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn.

{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.

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

{T}: Add {W} or {B}.

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

{2}{C}, {T}: Draw a card. Activate only if you have no cards in hand.

Selesnya Guildgate enters the battlefield tapped.

{T}: Add {G} or {W}.

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

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

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.

{T}: Add {C}.

{T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

Simic Guildgate enters the battlefield tapped.

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

Devoid (This card has no color.)

Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

({T}: Add {B} or {R}.)

Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.

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

{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}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

Spirebluff Canal enters the battlefield tapped unless you control two or fewer other lands.

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

Stone Quarry enters the battlefield tapped.

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

Flash

This spell can't be countered.

Creature spells you control can't be countered.

Other creatures you control have trample.

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

+1: Create a colorless artifact token named Etherium Cell with "{T}, Sacrifice this artifact: Add one mana of any color."

-2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.

-7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5."

({C} represents colorless mana.)

When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card.

When Thought-Knot Seer leaves the battlefield, target opponent draws a card.

Haste

Whenever Thraximundar attacks, defending player sacrifices a creature.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Devoid (This card has no color.)

Other colorless creatures you control get +0/+1.

+2: Ugin, the Spirit Dragon deals 3 damage to any target.

-X: Exile each permanent with mana value X or less that's one or more colors.

-10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

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.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

Devoid (This card has no color.)

Vile Aggregate's power is equal to the number of colorless creatures you control.

Trample

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of 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.

Woodland Stream enters the battlefield tapped.

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

Devoid (This card has no color.)

When you cast this spell, exile target artifact, enchantment, or land.

Reach

{2}{C}, Sacrifice a land: Return World Breaker from your graveyard to your hand. ({C} represents colorless mana.)

Vigilance, reach, trample

When Zacama, Primal Calamity enters the battlefield, if you cast it, untap all lands you control.

{2}{R}: Zacama deals 3 damage to target creature.

{2}{G}: Destroy target artifact or enchantment.

{2}{W}: You gain 3 life.