: Add . Spend this mana only to cast artifact spells.

: Add . If you control an Urza's Power-Plant and an Urza's Tower, add instead.

: Add .
: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

: Add . If you control an Urza's Mine and an Urza's Power-Plant, add instead.

Flying

: Add . If you control an Urza's Mine and an Urza's Tower, add instead.

: Add .
, Sacrifice Strip Mine: Destroy target land.

Counter target artifact spell.

Return target artifact card from your graveyard to your hand.

, : Return target permanent you both own and control to your hand.

, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

, : Untap X target lands.

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

: 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.

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

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

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.

, Exile this artifact: Shuffle your graveyard into your library.

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

As The Rack enters, 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.

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

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

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

, : Target player mills two cards.

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

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

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

You may choose not to untap Tawnos's Weaponry during your untap step.
, : Target creature gets +1/+1 for as long as Tawnos's Weaponry remains tapped.

Argothian Pixies can't be blocked by artifact creatures.
Prevent all damage that would be dealt to Argothian Pixies by artifact creatures.

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 , 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.

Whenever an artifact an opponent controls becomes tapped or an opponent activates an artifact's ability without in its activation cost, you gain 1 life.

You may choose not to untap Ashnod's Battle Gear during your untap step.
, : Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.

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

, Sacrifice an artifact: Draw a card.

, Sacrifice an artifact: Add an amount of equal to the sacrificed artifact's mana value.

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