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

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

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

Argothian Pixies can't be blocked by artifact creatures.

Prevent all damage that would be dealt to Argothian Pixies by artifact creatures.

Prevent all damage that would be dealt to Argothian Treefolk by artifact sources.

At the beginning of your upkeep, put a doom counter on Armageddon Clock.

At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.

{4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Counter target artifact spell.

Enchant artifact

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

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.

Sacrifice a creature: Add {C}{C}.

You may choose not to untap Ashnod's Battle Gear during your untap step.

{2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.

{T}, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

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

At the beginning of combat on your turn, Battering Ram 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 Battering Ram becomes blocked by a Wall, destroy that Wall at end of combat.

Remove Bronze Tablet from your deck before playing if you're not playing for ante.

Bronze Tablet enters the battlefield tapped.

{4}, {T}: Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.

{X}, {T}: Untap X target lands.

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

Whenever an opponent casts an artifact spell, put a +1/+1 counter on Citanul Druid.

Flying

Clockwork Avian enters the battlefield with four +1/+0 counters on it.

At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.

{X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.

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

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

As Cursed Rack enters the battlefield, choose an opponent.

The chosen player's maximum hand size is four.

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

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

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

{2}: Dragon Engine gets +1/+0 until end of turn.

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

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

{T}, Exile Feldon's Cane: Shuffle your graveyard into your library.

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

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

{T}: Flip a coin. If you win the flip, draw a card. If you lose the flip, counter target artifact spell you control that isn't the target of an ability from another creature named Goblin Artisans.

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

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

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

Return all artifacts target player owns to their hand.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

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

As long as Martyrs of Korlis is untapped, all damage that would be dealt to you by artifacts is dealt to Martyrs of Korlis instead.

Attacking creatures get +1/+0.

{2}, {T}: Target player mills two cards.

{T}: Add {C}.

{1}: Mishra's Factory 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.

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, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

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

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

When Onulet dies, you gain 2 life.

{T}, Sacrifice an artifact: Orcish Mechanics deals 2 damage to any target.

Flying

You may choose not to untap Phyrexian Gremlins during your untap step.

{T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as Phyrexian Gremlins remains tapped.

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.

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.

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

As Primal Clay enters the battlefield, 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.)

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

Return target artifact card from your graveyard to your hand.

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

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

{T}, Sacrifice an artifact: Draw a card.

As Shapeshifter enters the battlefield, choose a number between 0 and 7.

At the beginning of your upkeep, you may choose a number between 0 and 7.

Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number.

Destroy all artifacts. They can't be regenerated.

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

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

When Su-Chi dies, add {C}{C}{C}{C}.

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

You may choose not to untap Tawnos's Coffin 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 Tawnos's Coffin 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.

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

You may choose not to untap Tawnos's Weaponry during your untap step.

{2}, {T}: Target creature gets +1/+1 for as long as Tawnos's Weaponry remains tapped.

Flying

Tetravus enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."

At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

As The Rack enters the battlefield, choose an opponent.

At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand.

Each noncreature artifact loses all abilities and becomes an artifact creature with power and toughness each equal to its mana value. If Titania's Song leaves the battlefield, this effect continues until end of turn.

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.

Triskelion enters the battlefield with three +1/+1 counters on it.

Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

{0}: Urza's Avenger 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.)

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

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

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.

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

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

Defender (This creature can't attack.)

First strike

Attacking creatures get -1/-0.

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

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 Yawgmoth Demon and it deals 2 damage to you.

Vigilance