Mishra's Workshop

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

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

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.

Strip Mine

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

Maze of Ith

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

Barl's Cage

{3}: Target creature doesn't untap during its controller's next untap step.

The Tabernacle at Pendrell Vale

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

Mox Emerald

Howling Mine

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

Candelabra of Tawnos

Time Vault

This artifact enters tapped.
This artifact doesn't untap during your untap step.
If you would begin your turn while this artifact is tapped, you may skip that turn instead. If you do, untap this artifact.
{T}: Take an extra turn after this one.

Mox Sapphire

Sol Ring

Mox Jet

Black Lotus

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

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Timetwister

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

Forcefield

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.