Ankh of Mishra

Whenever a land enters, this artifact deals 2 damage to that land's controller.

Mox Ruby

Braingeyser

Volcanic Island

Ancestral Recall

Ashnod's Altar

Mox Sapphire

Mishra's Workshop

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

Feldon's Cane

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

Black Lotus

{T}, Sacrifice this artifact: Add three mana of any one color.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Time Walk

Atog

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

Strip Mine

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

Howling Mine

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Goblin Artisans

{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.

Mountain

Tormod's Crypt

{T}, Sacrifice this artifact: Exile target player's graveyard.

Island

Ornithopter

Black Vise

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 the number of cards in their hand minus 4.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.