Equipped creature gets +6/+6.

Whenever equipped creature attacks, destroy target permanent.

Equip {6}

Cloudpost enters the battlefield tapped.

{T}: Add {C} for each Locus on the battlefield.

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

Indestructible

{T}: Add {C}.

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

Indestructible

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

Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Metalcraft -- Etched Champion has protection from all colors as long as you control three or more artifacts.

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

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

When Glimmerpost enters the battlefield, you gain 1 life for each Locus on the battlefield.

{T}: Add {C}.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid.

{T}: Add one mana of any color.

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.

At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

{T}: Add {C}.

{T}: Put a charge counter on Mirrodin's Core.

{T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.

Flying

You have no maximum hand size.

{T}: Add {C}.

You have no maximum hand size.

{1}: Untap Staff of Domination.

{2}, {T}: You gain 1 life.

{3}, {T}: Untap target creature.

{4}, {T}: Tap target creature.

{5}, {T}: Draw a card.

At the beginning of your upkeep, draw a card.

{T}: Staff of Nin deals 1 damage to any target.

{8}, {T}: Tower of Calamities deals 12 damage to target creature.

{8}, {T}: Target creature gets +6/+6 until end of turn.

{8}, {T}: You gain 10 life.

{8}, {T}: Draw four cards.

{8}, {T}: Target player mills eight cards.

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

{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 -- 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}.

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

Sacrifice Welding Jar: Regenerate target artifact.