Vigilance

{1}, {T}: Copy target activated or triggered ability you control from a colorless source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

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

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

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.)

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

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

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}.

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

All creatures able to block Breaker of Armies do so.

{T}: Add {C}.

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

As an additional cost to cast this spell, reveal a colorless creature card from your hand.

Exile each creature and planeswalker with mana value less than the revealed card's mana value.

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.

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.

{T}: Add {C}.

{4}: Put two +1/+1 counters on Crawling Barrens. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

{T}: Add {C}.

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

Dark Depths enters the battlefield with ten ice counters on it.

{3}: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Indestructible

Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell that you cast from your hand.

({C} represents colorless mana.)

At the beginning of combat on your turn, reveal the top card of your library. If a creature card is revealed this way, you may have creatures you control other than Deceiver of Form become copies of that card until end of turn. You may put that card on the bottom of your library.

For each opponent, exile up to one target permanent that player controls with an even mana value. (Zero is even.)

Adamant -- If at least three colorless mana was spent to cast this spell, return a permanent card with an odd mana value from your graveyard to the battlefield.

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

{T}: Add {C}.

{2}, {T}: Put two +1/+1 counters on target non-Human creature that entered the battlefield this turn.

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

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

You may have Echoing Deeps enter the battlefield tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types.

{T}: Add {C}.

Enchant creature

Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents.)

Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn.

{T}: Add {C}.

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

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.

Endless One enters the battlefield with X +1/+1 counters on it.

You may cast Eternal Scourge from exile.

When Eternal Scourge becomes the target of a spell or ability an opponent controls, exile Eternal Scourge.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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.

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

When you cast this spell, gain control of target creature until end of turn. Untap that creature. Until end of turn, it has base power and toughness 10/10, and gains trample, annihilator 2, and haste.

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

Trample

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.

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}.

Hall of the Bandit Lord enters the battlefield tapped.

{T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

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

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

Equipped creature gets +3/+1.

Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.

Equip {1}

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.

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.

+4: Target player exiles a card from their hand.

-3: Exile target permanent.

-14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

+1: Reveal the top two cards of your library. An opponent chooses one of them. Put that card into your hand and exile the other with a silver counter on it.

-1: Put a card you own with a silver counter on it from exile into your hand.

-2: Create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you 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.

When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference.

Menace

Discard a card with mana value X: Counter target spell with mana value X.

{T}: Add {C}.

{4}, {T}: Remove target attacking or blocking creature from combat.

Flash

Flying

You may cast colorless spells and artifact spells as though they had flash.

Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator.

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

Equip {0}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

{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.

({C} represents colorless mana.)

When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.

{T}: Add {C}.

{2}, {T}: Each player draws a card.

{T}: Add {C}.

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

{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.

{T}: Add {C}.

{3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

As Mirror of the Forebears enters the battlefield, choose a creature type.

{1}: Until end of turn, Mirror of the Forebears becomes a copy of target creature you control of the chosen type, except it's an artifact in addition to its other types.

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.

{T}: Add {C}.

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

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.

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.

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.

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

Annihilator 3 (Whenever this creature attacks, defending player sacrifices three permanents.)

Pathrazer of Ulamog can't be blocked except by three or more creatures.

Planar Atlas enters the battlefield tapped.

When Planar Atlas enters the battlefield, you may look at the top four cards of your library. If you do, reveal up to one land card from among them, then put that card on top of your library and the rest on the bottom in a random order.

{T}: Add {C}.

({C} represents colorless mana.)

Trample, haste

Whenever Reality Smasher becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.

You have no maximum hand size.

{T}: Add {C}.

This spell can't be countered.

Destroy target permanent. Target player draws four cards. Take an extra turn after this one.

Exile Rise of the Eldrazi.

{T}: Add {C}.

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

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.

Equipped creature gets +1/+1 and has trample and lifelink.

{1}: Permanents your opponents control lose hexproof and indestructible until end of turn.

Equip {2}

{T}: Add {C}.

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

Flash

You may cast colorless spells as though they had flash.

Whenever you cast a colorless spell, until end of turn, Skittering Cicada gains trample and gets +X/+X, where X is that spell's mana value.

Create five 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add {C}."

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

({C} represents colorless mana.)

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

{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.

({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.

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

{T}: Add {C}.

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

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.

+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}.

{7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

{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.

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

{T}: Add {C}.

Metalcraft -- {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

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

Your opponents can't block with creatures with even mana values.

Whenever an opponent casts an instant or sorcery spell, they may pay {2}. If they don't, you may copy that spell. You may choose new targets for the copy.

Each player looks at the top five cards of their library and may reveal a land card and/or an instant or sorcery card from among them. Each player puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order. Each player gains 3 life.

{T}: Add {C}.

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

({C} represents colorless mana.)

Choose one --

• Exile target creature with power or toughness 1 or less.

• Counter target sorcery spell.

• Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."

Colorless spells you cast from your hand with mana value 7 or greater have "Cascade, cascade." (When you cast one, 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. Then do it again.)