Have

Horn of Deafening

{2}, {T}: Prevent all combat damage that would be dealt by target creature this turn.

PROXY

Mishra's Workshop

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

Glasses of Urza

Strip Mine

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

Sage of Lat-Nam

Rocket Launcher

{2}: This artifact deals 1 damage to any target. Destroy this artifact at the beginning of the next end step. Activate only if you've controlled this artifact continuously since the beginning of your most recent turn.

Clockwork Avian

Flying
This creature enters with four +1/+0 counters on it.
At end of combat, if this creature attacked or blocked this combat, remove a +1/+0 counter from it.
{X}, {T}: Put up to X +1/+0 counters on this creature. This ability can't cause the total number of +1/+0 counters on this creature to be greater than four. Activate only during your upkeep.

Juggernaut

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

Candelabra of Tawnos

Blue Mana Battery

{2}, {T}: Put a charge counter on this artifact.
{T}, Remove any number of charge counters from this artifact: Add {U}, then add an additional {U} for each charge counter removed this way.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Urza's Power Plant

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

Mishra's Factory

{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.

Standing Stones

{1}, {T}, Pay 1 life: Add one mana of any color.

Dancing Scimitar

Flying (This creature can't be blocked except by creatures with flying or reach.)

Jayemdae Tome

Brass Man

This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap this creature.

Yotian Soldier

Tablet of Epityr

Whenever an artifact you control is put into a graveyard from the battlefield, you may pay {1}. If you do, you gain 1 life.

Dragon Engine

{2}: This creature gets +1/+0 until end of turn.

Colossus of Sardia

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature doesn't untap during your untap step.
{9}: Untap this creature. Activate only during your upkeep.

Obsianus Golem

Urza's Chalice

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

Urza's Avenger

{0}: This creature gets -1/-1 and gains your choice of banding, flying, first strike, or trample 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.)

The Hive

{5}, {T}: Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

Sol Ring

Twiddle

You may tap or untap target artifact, creature, or land.

Bronze Horse

Trample
As long as you control another creature, prevent all damage that would be dealt to this creature by spells that target it.

Reconstruction

Return target artifact card from your graveyard to your hand.

Island

Fountain of Youth

Drafna's Restoration

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

Bottle of Suleiman

{1}, Sacrifice this artifact: Flip a coin. If you win the flip, create a 5/5 colorless Djinn artifact creature token with flying. If you lose the flip, this artifact deals 5 damage to you.

Ornithopter

Celestial Prism

Urza's Tower

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

Urza's Mine

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