Ur-Golem's Eye

Artifact

: Add to your mana pool.

It still stares accusingly at Memnarch, though millennia have passed since he separated the eye from its body.

Unwinding Clock

Artifact

Untap all artifacts you control during each other player's untap step.

"The partisans have unearthed a strange artifact. None know its origin, but it gives them hope of a life beyond."
-Elspeth's journal

Unstable Obelisk

Artifact

: Add to your mana pool.

, , Sacrifice Unstable Obelisk: Destroy target permanent.

Its collapse is like the lashing out of a long-dead civilization that resents being forgotten.

Unscythe, Killer of Kings

Legendary Artifact - Equipment

Equipped creature gets +3/+3 and has first strike.

Whenever a creature dealt damage by equipped creature this turn dies, you may exile that card. If you do, put a 2/2 black Zombie creature token onto the battlefield.

Equip

Unbender Tine

Artifact

: Untap another target permanent.

Creations made in madness may contain great power. The path to that power is as labyrinthine as the creator's mind.

Ugin's Nexus

Legendary Artifact

If a player would begin an extra turn, that player skips that turn instead.

If Ugin's Nexus would be put into a graveyard from the battlefield, instead exile it and take an extra turn after this one.

All at once Sarkhan's mind fell silent.

Ugin's Construct

Artifact Creature - Construct

When Ugin's Construct enters the battlefield, sacrifice a permanent that's one or more colors.

While trapping the Eldrazi on Zendikar, Ugin learned little from Sorin, but he gleaned the rudiments of lithomancy from Nahiri.

Tyrant's Machine

Artifact

, : Tap target creature.

"Though tempered differently, all wills can be broken."
-Inquisitor Kyrik

Tumble Magnet

Artifact

Tumble Magnet enters the battlefield with three charge counters on it.

, Remove a charge counter from Tumble Magnet: Tap target artifact or creature.

Magnetic devices that keep massive golems and structures standing can also be used for the opposite purpose.

Trusty Machete

Artifact - Equipment

Equipped creature gets +2/+1.

Equip

"Until this expedition is done, that blade is your guardian, your liberator, and your best friend all rolled into one."
-Yon Basrel, Oran-Rief survivalist

Triskelion

Artifact Creature - Construct

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

Remove a +1/+1 counter from Triskelion: Triskelion deals 1 damage to target creature or player.

"Why do bad things always come in threes?"
-Gisulf, expedition survivor

Triskelavus

Artifact Creature - Construct

Flying

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

, Remove a +1/+1 counter from Triskelavus: Put a 1/1 colorless Triskelavite artifact creature token with flying onto the battlefield. It has "Sacrifice this creature: This creature deals 1 damage to target creature or player."

Trigon of Thought

Artifact

Trigon of Thought enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Thought.

, , Remove a charge counter from Trigon of Thought: Draw a card.

Trigon of Rage

Artifact

Trigon of Rage enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Rage.

, , Remove a charge counter from Trigon of Rage: Target creature gets +3/+0 until end of turn.

Trigon of Mending

Artifact

Trigon of Mending enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Mending.

, , Remove a charge counter from Trigon of Mending: Target player gains 3 life.

Trigon of Infestation

Artifact

Trigon of Infestation enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Infestation.

, , Remove a charge counter from Trigon of Infestation: Put a 1/1 green Insect creature token with infect onto the battlefield.

Trigon of Corruption

Artifact

Trigon of Corruption enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Corruption.

, , Remove a charge counter from Trigon of Corruption: Put a -1/-1 counter on target creature.

Trespassing Souleater

Artifact Creature - Construct

: Trespassing Souleater is unblockable this turn. ( can be paid with either or 2 life.)

"We thank the souleaters for surveilling our lives that we may be preserved from our own ignorance."
-Drones' hymn of gratitude

Trepanation Blade

Artifact - Equipment

Whenever equipped creature attacks, defending player reveals cards from the top of his or her library until he or she reveals a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into his or her graveyard.

Equip

Traveler's Amulet

Artifact

, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.

The rider set off into the eerie mist, swaddled in armor and laden with amulets.

Training Drone

Artifact Creature - Drone

Training Drone can't attack or block unless it's equipped.

"Vulshok flail, Viridian shield, loxodon blade . . . Tazzir, bring the Moriok hook and assemble the rookies."
-Vy Covalt, Neurok agent

Trailblazer's Boots

Artifact - Equipment

Equipped creature has nonbasic landwalk. (It's unblockable as long as defending player controls a nonbasic land.)

Equip

It's much easier to list the places they haven't been.

Trading Post

Artifact

, , Discard a card: You gain 4 life.

, , Pay 1 life: Put a 0/1 white Goat creature token onto the battlefield.

, , Sacrifice a creature: Return target artifact card from your graveyard to your hand.

, , Sacrifice an artifact: Draw a card.

Tower of Fortunes

Artifact

, : Draw four cards.

Tower of Calamities

Artifact

, : Tower of Calamities deals 12 damage to target creature.

The ur-golems concealed one of their towers out of fear that its power would be abused, and in anticipation of a time when its power would be sorely needed.

Tower Gargoyle

Artifact Creature - Gargoyle

Flying

"Esper, like any work of art, can be truly appreciated only from a distance."
-Tezzeret

Torpor Orb

Artifact

Creatures entering the battlefield don't cause abilities to trigger.

"Phyrexia is certainly dangerous, but I have to admire some of its innovations."
-Tezzeret

Tormod's Crypt

Artifact

, Sacrifice Tormod's Crypt: Exile all cards from target player's graveyard.

Dominaria's most extravagant crypt nevertheless holds an empty grave.

Tormentor's Trident

Artifact - Equipment

Equipped creature gets +3/+0 and attacks each turn if able.

Equip

To a demon there is no such thing as restraint.

Titan Forge

Artifact

, : Put a charge counter on Titan Forge.

, Remove three charge counters from Titan Forge: Put a 9/9 colorless Golem artifact creature token onto the battlefield.

Time Sieve

Artifact

, Sacrifice five artifacts: Take an extra turn after this one.

"I pray that I am never considered useless or old."
-Sharuum the Hegemon

Tidehollow Strix

Artifact Creature - Bird

Flying

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

The scullers beneath Esper keep strixes as trained pets, and set them loose when a fare refuses to pay.

Tidehollow Sculler

Artifact Creature - Zombie

When Tidehollow Sculler enters the battlefield, target opponent reveals his or her hand and you choose a nonland card from it. Exile that card.

When Tidehollow Sculler leaves the battlefield, return the exiled card to its owner's hand.

Thunderstaff

Artifact

As long as Thunderstaff is untapped, if a creature would deal combat damage to you, prevent 1 of that damage.

, : Attacking creatures get +1/+0 until end of turn.

Thundering Tanadon

Artifact Creature - Beast

( can be paid with either or 2 life.)

Trample

"We do not need beakers and vials to test our predators."
-Vorinclex, Voice of Hunger

Throne of Geth

Artifact

, Sacrifice an artifact: Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)

At the heart of Ish Sah, Geth stokes the dark fires of Phyrexia.

Throne of Empires

Artifact

, : Put a 1/1 white Soldier creature token onto the battlefield. Put five of those tokens onto the battlefield instead if you control artifacts named Crown of Empires and Scepter of Empires.

"With this throne, unite your nation."
-Throne inscription

Thran Golem

Artifact Creature - Golem

As long as Thran Golem is enchanted, it gets +2/+2 and has flying, first strike, and trample.

The golems of the ancient Thran still draw power in ways that baffle the artificers of today.

Thran Dynamo

Artifact

: Add to your mana pool.

Urza's metathran children were conceived, birthed, and nurtured by an integrated system of machines.

Thousand-Year Elixir

Artifact

You may activate abilities of creatures you control as though those creatures had haste.

, : Untap target creature.

Paradoxically, to tilt the massive jug for a sip, you'd need the energy of the giant's tonic.