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.

Atog

Sacrifice an artifact: This creature gets +2/+2 until end of turn.

Clay Statue

Circle of Protection: Artifacts

{2}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage.

Gaea's Avenger

Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control.

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.

Gate to Phyrexia

Sacrifice a creature: Destroy target artifact. Activate only during your upkeep and only once each turn.

The Rack

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Power Artifact

Enchant artifact
Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Staff of Zegon

{3}, {T}: Target creature gets -2/-0 until end of turn.

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.

Mightstone

Yotian Soldier

Onulet

When this creature dies, you gain 2 life.

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Cursed Rack

As this artifact enters, choose an opponent.
The chosen player's maximum hand size is four.

Urza's Tower

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

Martyrs of Korlis

As long as this creature is untapped, all damage that would be dealt to you by artifacts is dealt to this creature instead.

Obelisk of Undoing

{6}, {T}: Return target permanent you both own and control to your hand.

Golgothian Sylex

{1}, {T}: Each nontoken permanent with a name originally printed in the Antiquities expansion is sacrificed by its controller.

Armageddon Clock

At the beginning of your upkeep, put a doom counter on this artifact.
At the beginning of your draw step, this artifact deals damage equal to the number of doom counters on it to each player.
{4}: Remove a doom counter from this artifact. Any player may activate this ability but only during any upkeep step.

Strip Mine

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

Phyrexian Gremlins

You may choose not to untap this creature during your untap step.
{T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as this creature remains tapped.

Battering Ram

At the beginning of combat on your turn, this creature gains banding until end of combat. (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 being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's blocking.)
Whenever this creature becomes blocked by a Wall, destroy that Wall at end of combat.

Argothian Pixies

This creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to this creature by artifact creatures.

Powerleech

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without {T} in its activation cost, you gain 1 life.

Artifact Possession

Enchant artifact
Whenever enchanted artifact becomes tapped or a player activates an ability of enchanted artifact without {T} in its activation cost, this Aura deals 2 damage to that artifact's controller.

Ashnod's Transmogrant

{T}, Sacrifice this artifact: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

Ornithopter

Rakalite

{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return this artifact to its owner's hand at the beginning of the next end step.

Mishra's War Machine

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.

Tawnos's Weaponry

You may choose not to untap this artifact during your untap step.
{2}, {T}: Target creature gets +1/+1 for as long as this artifact remains tapped.

Reconstruction

Return target artifact card from your graveyard to your hand.

Primal Clay

As this creature enters, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifact creature with defender in addition to its other types. (A creature with defender can't attack.)

Millstone

Urza's Miter

Whenever an artifact you control is put into a graveyard from the battlefield, if it wasn't sacrificed, you may pay {3}. If you do, draw a card.

Coral Helm

{3}, Discard a card at random: Target creature gets +2/+2 until end of turn.

Haunting Wind

Whenever an artifact becomes tapped or a player activates an artifact's ability without {T} in its activation cost, this enchantment deals 1 damage to that artifact's controller.

Amulet of Kroog

{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

Citanul Druid

Whenever an opponent casts an artifact spell, put a +1/+1 counter on this creature.

Grapeshot Catapult

{T}: This creature deals 1 damage to target creature with flying.

Reverse Polarity

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

Su-Chi

When this creature dies, add {C}{C}{C}{C}.

Artifact Blast

Urza's Mine

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

Dwarven Weaponsmith

{T}, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate only during your upkeep.

Dragon Engine

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

Triskelion

This creature enters with three +1/+1 counters on it.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Argothian Treefolk

Prevent all damage that would be dealt to this creature by artifact sources.

Yawgmoth Demon

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)
At the beginning of your upkeep, you may sacrifice an artifact. If you don't, tap this creature and it deals 2 damage to you.

Argivian Archaeologist

{W}{W}, {T}: Return target artifact card from your graveyard to your hand.

Urza's Power Plant

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

Damping Field

Players can't untap more than one artifact during their untap steps.

Artifact Ward

Enchant creature
Enchanted creature can't be blocked by artifact creatures.
Prevent all damage that would be dealt to enchanted creature by artifact sources.
Enchanted creature can't be the target of abilities from artifact sources.

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.

Bronze Tablet

Remove this card from your deck before playing if you're not playing for ante.
This artifact enters tapped.
{4}, {T}: Exile this artifact and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put this card into its owner's graveyard. Otherwise, that player owns this card and you own the other exiled card.

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Ashnod's Altar

Energy Flux

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Hurkyl's Recall

Return all artifacts target player owns to their hand.

Weakstone

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Mishra's Workshop

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

Urza's Chalice

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

Sage of Lat-Nam

Drafna's Restoration

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

Orcish Mechanics

{T}, Sacrifice an artifact: This creature deals 2 damage to any target.

Tawnos's Coffin

You may choose not to untap this artifact during your untap step.
{3}, {T}: Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When this artifact leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.

Xenic Poltergeist

{T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

Priest of Yawgmoth

{T}, Sacrifice an artifact: Add an amount of {B} equal to the sacrificed artifact's mana value.

Tawnos's Wand

{2}, {T}: Target creature with power 2 or less can't be blocked this turn.

Candelabra of Tawnos

Transmute Artifact

Sacrifice an artifact. If you do, search your library for an artifact card. If that card's mana value is less than or equal to the sacrificed artifact's mana value, put it onto the battlefield. If it's greater, you may pay {X}, where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle.

Argivian Blacksmith

{T}: Prevent the next 2 damage that would be dealt to target artifact creature this turn.