{T}: Add {C}{C}. This land deals 2 damage to you.

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

Indestructible {T}: Add {C}.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

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

{T}: Add {C}. {1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

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

{T}: Add {C}. {X}{X}, {T}, Sacrifice this land: Create X Treasure tokens.

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

{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 — This Saga gains "{T}: Add {C}." II — This Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This token 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}. Metalcraft — {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts.

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

{T}: Add {C}. {T}, Sacrifice this land: Destroy target nonbasic land.

{T}: Add {C}.

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

As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

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

Spells cost {1} less to cast.

{T}, Sacrifice this artifact: Add three mana of any one color. Spend this mana only to cast your commander.

Karn's Sylex enters tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

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

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you. {T}: Add {C}{C}.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Imprint — When this artifact enters, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

+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. Then put those cards onto the battlefield under your control.

+1: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") −1: Pay any amount of mana. Look at that many cards from the top of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order. −7: You get an emblem with "Tap an untapped artifact you control: This emblem deals 1 damage to any target."

+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 token gets +1/+1 for each artifact you control."

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.

Trample Whenever another artifact enters, put a +1/+1 counter on this creature. Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

{1}: Target artifact creature blocks this creature this turn if able. {1}: Target artifact creature can't block this creature this turn.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) This creature attacks each combat if able.

Indestructible Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control. This creature attacks each combat if able.

{2}, {T}: Put a +1/+1 counter on this creature.

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) Sacrifice an artifact: Put a +1/+1 counter on target creature.

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

This creature attacks each combat if able. This creature doesn't untap during your untap step. Whenever another creature dies, untap this creature.

This creature doesn't untap during your untap step. At the beginning of your upkeep, you may pay {2}. If you do, untap this creature.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

This creature attacks each combat if able. This creature can't be blocked by Walls.

Flying When this creature dies, return another target artifact card from your graveyard to your hand.

Whenever Karn blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn.

Trample This creature can't block. When this creature attacks, sacrifice it at end of combat. Tap an untapped creature you control: This creature gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

When this creature enters, exile all cards from your library.

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's power, put a +1/+1 counter on Liberator.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) At the beginning of your upkeep, this creature deals 3 damage to you unless you discard a card. If it deals damage to you this way, tap it.

When this creature dies, return another target artifact card from your graveyard to your hand.

This creature can't be blocked by Walls. Threshold — As long as seven or more cards are in your graveyard, this creature gets +3/+0 and attacks each combat if able.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Phyrexian Juggernaut attacks each combat if able.

This creature attacks each combat if able. {1}{S}: This creature gets +1/+0 until end of turn. ({S} can be paid with one mana from a snow source.)

This creature attacks each combat if able. This creature gets +2/+0 as long as you control another artifact.

Whenever this creature dies 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.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

When this creature dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.

Trample {3}: This creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.) {3}: Attacking creatures banded with this creature gain trample until end of turn.

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

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Put two +1/+1 counters on target creature. It gains vigilance until end of turn.

Until end of turn, colorless creatures you control gain "{T}: This creature deals damage equal to its power to target creature."

Exile target nonland permanent. Its controller draws a card.

Scry 2, then draw a card.

Exile target permanent.

({C} represents colorless mana.) Target creature gets +3/-3 until end of turn.