Celestial Prism

Artifact

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

Cauldron of Souls

Artifact

: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Cathodion

Artifact Creature - Construct

When Cathodion dies, add to your mana pool.

Instead of creating a tool that would be damaged by heat, the Thran built one that was charged by it.

Cathedral Membrane

Artifact Creature - Wall

( can be paid with either or 2 life.)

Defender

When Cathedral Membrane dies during combat, it deals 6 damage to each creature it blocked this combat.

Catalyst Stone

Artifact

Flashback costs you pay cost up to less.

Flashback costs your opponents pay cost more.

The gems' incandescence invades the dreams of all who see them.

Carnage Altar

Artifact

, Sacrifice a creature: Draw a card.

"In these bloodstains I will find the fingerprints of our oppressors."
-Anowon, the Ruin Sage

Captain's Claws

Artifact - Equipment

Equipped creature gets +1/+0.

Whenever equipped creature attacks, put a 1/1 white Kor Ally creature token onto the battlefield tapped and attacking.

Equip

Forged for victory in a time of despair.

Candles of Leng

Artifact

, : Reveal the top card of your library. If it has the same name as a card in your graveyard, put it into your graveyard. Otherwise, draw a card.

"A tome stored in its light is as crisp as the day it was written."
-Ettovard, Tolarian archivist

Candelabra of Tawnos

Artifact

, : Untap X target lands.

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

Canal Dredger

Artifact Creature - Construct

Draft Canal Dredger face up.

Each player passes the last card from each booster pack to a player who drafted a card named Canal Dredger.

: Put target card from your graveyard on the bottom of your library.

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.

Caged Sun

Artifact

As Caged Sun enters the battlefield, choose a color.

Creatures you control of the chosen color get +1/+1.

Whenever a land's ability adds one or more mana of the chosen color to your mana pool, add one additional mana of that color to your mana pool.

Butcher's Cleaver

Artifact - Equipment

Equipped creature gets +3/+0.

As long as equipped creature is a Human, it has lifelink.

Equip

Outside the safety of Thraben, there is little distinction between tool and weapon.

Burnished Hart

Artifact Creature - Elk

, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

Forged by divine hands to wander mortal realms.

Bullwhip

Artifact

, : Bullwhip deals 1 damage to target creature. That creature attacks this turn if able.

"Pain is a crude way to enforce obedience, but it is cheap and plentiful."
-Volrath

Bubbling Cauldron

Artifact

, , Sacrifice a creature: You gain 4 life.

, , Sacrifice a creature named Festering Newt: Each opponent loses 4 life. You gain life equal to the life lost this way.

Bubble Matrix

Artifact

Prevent all damage that would be dealt to creatures.

"This device was commisioned by a king who desired peace. Unfortunately, the royal artificer was also the king's jester."
-Hanna, Weatherlight navigator

Bronze Tablet

Artifact

Remove Bronze Tablet from your deck before playing if you're not playing for ante.

Bronze Tablet enters the battlefield tapped.

, : Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If he or she does, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.

Bronze Sable

Artifact Creature - Sable

The Champion stood alone between the horde of the Returned and the shrine to Karametra, cutting down scores among hundreds. She would have been overcome if not for the aid of the temple guardians whom Karametra awakened.
-The Theriad

Bronze Horse

Artifact Creature - Horse

Trample

As long as you control another creature, prevent all damage that would be dealt to Bronze Horse by spells that target it.

Bronze Calendar

Artifact

Your spells cost less to play as long as you speak in a voice other than your normal voice.

If you speak in your normal voice, sacrifice Bronze Calendar.

Every page holds a month, every date a numeral.

Bronze Bombshell

Artifact Creature - Construct

When a player other than Bronze Bombshell's owner controls it, that player sacrifices it. If the player does, Bronze Bombshell deals 7 damage to him or her.

"Ooh, shiny! Let's pull off the chain and take her with us."
-Ukl, Gruul raider, last words

Brittle Effigy

Artifact

, , Exile Brittle Effigy: Exile target creature.

"In my early experiments in phylactery, I found that fragile forms have their uses."
-Rocati, Duke of Martyne

Briber's Purse

Artifact

Briber's Purse enters the battlefield with X gem counters on it.

, , Remove a gem counter from Briber's Purse: Target creature can't attack or block this turn.

Victory is certain. The price, negotiable.

Brawler's Plate

Artifact - Equipment

Equipped creature gets +2/+2 and has trample. (It can deal excess combat damage to defending player or planeswalker while attacking.)

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Brass-Talon Chimera

Artifact Creature - Chimera

First strike

Sacrifice Brass-Talon Chimera: Put a +2/+2 counter on target Chimera creature. It gains first strike. (This effect lasts indefinitely.)

Brass Squire

Artifact Creature - Myr

: Attach target Equipment you control to target creature you control.

"I admire it. Few pull off pluck and subservience at the same time."
-Ezuri, renegade leader

Brass Secretary

Artifact Creature - Construct

, Sacrifice Brass Secretary: Draw a card.

The students disliked the secretary for its unfailing memory-until they discovered it couldn't dodge thrown objects.

Brass Man

Artifact Creature - Construct

Brass Man doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Brass Man.

Brass Herald

Artifact Creature - Golem

As Brass Herald enters the battlefield, choose a creature type.

When Brass Herald enters the battlefield, reveal the top four cards of your library. Put all creature cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Creatures of the chosen type get +1/+1.

Brass Gnat

Artifact Creature - Insect

Flying

Brass Gnat doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Brass Gnat.

Its buzzing is the sound of its inner mechanisms, ever winding down.

Braidwood Sextant

Artifact

, , Sacrifice Braidwood Sextant: Search your library for a basic land card, reveal that card, and put it into your hand. Then shuffle your library.

Braidwood Cup

Artifact

: You gain 1 life.

"I think it no accident that every civilized people has discovered the art of distillation."
-Rofellos of Llanowar

Bottled Cloister

Artifact

At the beginning of each opponent's upkeep, exile all cards from your hand face down.

At the beginning of your upkeep, return all cards you own exiled with Bottled Cloister to your hand, then draw a card.

Bottle of Suleiman

Artifact

, Sacrifice Bottle of Suleiman: Flip a coin. If you lose the flip, Bottle of Suleiman deals 5 damage to you. If you win the flip, put a 5/5 colorless Djinn artifact creature token with flying onto the battlefield.

Bottle Gnomes

Artifact Creature - Gnome

Sacrifice Bottle Gnomes: You gain 3 life.

Reinforcements . . . or refreshments?

Bosh, Iron Golem

Legendary Artifact Creature - Golem

Trample

, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's converted mana cost to target creature or player.

Boros Signet

Artifact

, : Add to your mana pool.

"Have you ever held a Boros signet? There's a weight to it that belies its size-a weight of strength and of pride."
-Agrus Kos

Boros Keyrune

Artifact

: Add or to your mana pool.

: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.)

Boros Cluestone

Artifact

: Add or to your mana pool.

, , Sacrifice Boros Cluestone: Draw a card.

"In case of fire, treachery, citywide riot, political upheaval, or worldwide societal collapse, break glass."
-Cluestone inscription