Ugin's Nexus

Legendary Artifact

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.

All at once Sarkhan's mind fell silent.

Street Sweeper

Artifact Creature - Construct

Whenever Street Sweeper attacks, destroy all Auras attached to target land.

The sweepers roam endlessly, scrubbing away the refuse-and anything else too slow or too clumsy to get out of their way.

Gold-Forged Sentinel

Artifact Creature - Chimera

Flying

Blessed by the gods. Coveted by mortals. Beholden to neither.

Obelisk of Urd

Artifact

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Scuttling Doom Engine

Artifact Creature - Construct

Scuttling Doom Engine can't be blocked by creatures with power 2 or less.

When Scuttling Doom Engine dies, it deals 6 damage to target opponent.

A masterwork of spite, inspired by madness.

Soul of New Phyrexia

Artifact Creature - Avatar

Trample

: Permanents you control gain indestructible until end of turn.

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

Will-Forged Golem

Artifact Creature - Golem

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

The modular nature of the automaton's design makes assembly perfectly intuitive.

Witness of the Ages

Artifact Creature - Golem

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

It strode through the clash of dragons, the fall of Ugin, and the rise of the khans.

Guardian of the Ages

Artifact Creature - Golem

Defender (This creature can't attack.)

When a creature attacks you or a planeswalker you control, if Guardian of the Ages has defender, it loses defender and gains trample.

"At my feet, invasions end."-Statue inscription

Colossus of Akros

Artifact Creature - Golem

Defender, indestructible

: Monstrosity 10. (If this creature isn't monstrous, put ten +1/+1 counters on it and it becomes monstrous.)

As long as Colossus of Akros is monstrous, it has trample and can attack as though it didn't have defender.

Darksteel Forge

Artifact

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

"Did it have this shape upon Mirrodin's creation, or did some inconceivable force shape the unshapable?"
-Pontifex, elder researcher