Vedalken Engineer

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Evacuation

Return all creatures to their owners' hands.

Chimeric Idol

{0}: Tap all lands you control. This artifact becomes a 3/3 Turtle artifact creature until end of turn.

Ancient Den

Chimeric Staff

{X}: This artifact becomes an X/X Construct artifact creature until end of turn.

Wrath of God

Destroy all creatures. They can't be regenerated.

Urza's Power Plant

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

Brotherhood Vertibird

Flying
Brotherhood Vertibird's power is equal to the number of artifacts you control.
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Guardian Idol

This artifact enters tapped.
{T}: Add {C}.
{2}: This artifact becomes a 2/2 Golem artifact creature until end of turn.

Darksteel Forge

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

Ensnaring Bridge

Creatures with power greater than the number of cards in your hand can't attack.

Myr Enforcer

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Seat of the Synod

Temple of the False God

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

Chimeric Sphere

{2}: Until end of turn, this artifact becomes a 2/1 Construct artifact creature with flying.
{2}: Until end of turn, this artifact becomes a 3/2 Construct artifact creature and loses flying.

Frogmite

Urza's Mine

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

Bottled Cloister

At the beginning of each opponent's upkeep, exile all cards from your hand face down.
At the beginning of your upkeep, return all cards you own exiled with this artifact to your hand, then draw a card.

Urza's Tower

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

Chimeric Coils

{X}{1}: This artifact becomes an X/X Construct artifact creature. Sacrifice it at the beginning of the next end step.

Sol Ring

Darksteel Brute

Indestructible (Damage and effects that say "destroy" don't destroy this artifact.)
{3}: Darksteel Brute becomes a 2/2 Beast artifact creature until end of turn.