Pentagram of the Ages

Artifact

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

A mirror, a shield, a promise, a great distance, and a kind word-five ways to avoid harm.

Serpent Generator

Artifact

, : Put a 1/1 colorless Snake artifact creature token onto the battlefield. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

Skull Catapult

Artifact

, , Sacrifice a creature: Skull Catapult deals 2 damage to target creature or player.

"Let any who doubt the evil of using the ancient devices look at this infernal machine. What manner of fiend would design such a sadistic device?"
-Sorine Relicbane, Soldevi heretic

Time Bomb

Artifact

At the beginning of your upkeep, put a time counter on Time Bomb.

, , Sacrifice Time Bomb: Time Bomb deals damage equal to the number of time counters on it to each creature and each player.

Urza's Bauble

Artifact

, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Amber Prison

Artifact

You may choose not to untap Amber Prison during your untap step.

, : Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as Amber Prison remains tapped.

Charcoal Diamond

Artifact

Charcoal Diamond enters the battlefield tapped.

: Add to your mana pool.

Cursed Totem

Artifact

Activated abilities of creatures can't be activated.

Pass me from soul to soul, / soldier to herder, herder to beast, beast to soil / until I am everywhere. / Then pass me those souls.
-Totem inscription (translated)

Dragon Mask

Artifact

, : Target creature you control gets +2/+2 until end of turn. Return it to its owner's hand at the beginning of the next end step. (Return it only if it's on the battlefield.)

"With no further options, I was forced to don the mask."
-Rashida Scalebane

Fire Diamond

Artifact

Fire Diamond enters the battlefield tapped.

: Add to your mana pool.

Grinning Totem

Artifact

, , Sacrifice Grinning Totem: Search target opponent's library for a card and exile it. Then that player shuffles his or her library. Until the beginning of your next upkeep, you may play that card. At the beginning of your next upkeep, if you haven't played it, put it into its owner's graveyard.

Mana Prism

Artifact

: Add to your mana pool.

, : Add one mana of any color to your mana pool.

Marble Diamond

Artifact

Marble Diamond enters the battlefield tapped.

: Add to your mana pool.

Moss Diamond

Artifact

Moss Diamond enters the battlefield tapped.

: Add to your mana pool.

Mystic Compass

Artifact

, : Target land becomes the basic land type of your choice until end of turn.

Sky Diamond

Artifact

Sky Diamond enters the battlefield tapped.

: Add to your mana pool.

Snake Basket

Artifact

, Sacrifice Snake Basket: Put X 1/1 green Snake creature tokens onto the battlefield. Activate this ability only any time you could cast a sorcery.

"Uh, does anyone have a flute?"
-Rana, Suq'Ata market fool

Storm Cauldron

Artifact

Each player may play an additional land during each of his or her turns.

Whenever a land is tapped for mana, return it to its owner's hand.

Wand of Denial

Artifact

: Look at the top card of target player's library. If it's a nonland card, you may pay 2 life. If you do, put it into that player's graveyard.

You'll never miss what you never had.

Caltrops

Artifact

Whenever a creature attacks, Caltrops deals 1 damage to it.

The Eastern Paladin knew how highly his southern rival valued horses, so he gleefully prepared a suitable welcome.

Ensnaring Bridge

Artifact

Creatures with power greater than the number of cards in your hand can't attack.

Bridges usually get you from one place to another. This one just gets you.

Grafted Skullcap

Artifact

At the beginning of your draw step, draw an additional card.

At the beginning of your end step, discard your hand.

"Every day, I fight for my life and win. Every night, I fight to remember my name and lose."

Pit Trap

Artifact

, , Sacrifice Pit Trap: Destroy target attacking creature without flying. It can't be regenerated.

Never forget your feet
-Elvish expression meaning
"watch your step"

Sisay's Ring

Artifact

: Add to your mana pool.

"I'm not one for pretty things," said Sisay. "Unless they're pretty useful as well."

Static Orb

Artifact

As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.

The warriors fought against the paralyzing waves until even their thoughts froze in place.

Distorting Lens

Artifact

: Target permanent becomes the color of your choice until end of turn.

"The Eye altering alters all."
-William Blake, "The Mental Traveller"

Fodder Cannon

Artifact

, , Sacrifice a creature: Fodder Cannon deals 4 damage to target creature.

Step 1: Find your cousin.
Step 2: Get your cousin in the cannon.
Step 3: Find another cousin.

Planar Portal

Artifact

, : Search your library for a card and put that card into your hand. Then shuffle your library.

These devices have been known to pull entire worlds through the Æther.

Skull of Orm

Artifact

, : Return target enchantment card from your graveyard to your hand.

Though lifeless, the skull still possessed a strange power over the flow of magic.

Star Compass

Artifact

Star Compass enters the battlefield tapped.

: Add to your mana pool one mana of any color that a basic land you control could produce.

It doesn't point north. It points home.

Urza's Armor

Artifact

If a source would deal damage to you, prevent 1 of that damage.

Urza protected his body well, but neglected his soul.

Vexing Arcanix

Artifact

, : Target player names a card, then reveals the top card of his or her library. If it's the named card, the player puts it into his or her hand. Otherwise, the player puts it into his or her graveyard and Vexing Arcanix deals 2 damage to him or her.

City in a Bottle

Artifact

Whenever a nontoken permanent from the Arabian Nights expansion other than City in a Bottle is on the battlefield, its controller sacrifices it.

Players can't play cards from the Arabian Nights expansion.

Jeweled Bird

Artifact

Remove Jeweled Bird from your deck before playing if you're not playing for ante.

: Put Jeweled Bird into the ante. If you do, put all other cards you own from the ante into your graveyard, then draw a card.

Pyramids

Artifact

: Choose one - Destroy target Aura attached to a land; or the next time target land would be destroyed this turn, remove all damage marked on it instead.

Ring of Ma'rûf

Artifact

, , Exile Ring of Ma'rûf: The next time you would draw a card this turn, instead choose a card you own from outside the game and put it into your hand.

Sandals of Abdallah

Artifact

, : Target creature gains islandwalk until end of turn. When that creature dies this turn, destroy Sandals of Abdallah.

Candelabra of Tawnos

Artifact

, : Untap X target lands.

Tawnos learned quickly from Urza that utter simplicity often led to wondrous, yet subtle utility.

Golgothian Sylex

Artifact

, : Each nontoken permanent from the Antiquities expansion is sacrificed by its controller.

From their earliest educations, the brothers had known that no human contrivance could stand against the true masters of Dominia.

Mightstone

Artifact

Attacking creatures get +1/+0.

While exploring the sacred cave of Koilos with his brother Mishra and their master Tocasia, Urza fell behind in the Hall of Tagsin, where he discovered the remarkable Mightstone.