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Jeweled Amulet

Artifact

, : Put a charge counter on Jeweled Amulet. Note the type of mana spent to pay this activation cost. Activate this ability only if there are no charge counters on Jeweled Amulet.

, Remove a charge counter from Jeweled Amulet: Add one mana of Jeweled Amulet's last noted type to your mana pool.

Mana:
Cardset: Ice Age #301 (Uncommon)
Type: Artifact

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.

Mana:
Cardset: Arabian Nights #80 (Uncommon)
Type: Artifact

Jeweled Torque

Artifact

As Jeweled Torque enters the battlefield, choose a color.

Whenever a player casts a spell of the chosen color, you may pay . If you do, you gain 2 life.

Mana:
Cardset: Mercadian Masques #301 (Uncommon)
Type: Artifact

Jhoira's Timebug

Artifact Creature - Insect

: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

Mana:
Power: 1/2
Cardset: Time Spiral #257 (Common)
Type: Artifact Creature

Jhoira's Toolbox

Artifact Creature - Insect

: Regenerate target artifact creature.

It entertained Jhoira to craft a kit that could bring her the tools.

Mana:
Power: 1/1
Cardset: Urza's Legacy #128 (Uncommon)
Type: Artifact Creature

Jinxed Choker

Artifact

At the beginning of your end step, target opponent gains control of Jinxed Choker and puts a charge counter on it.

At the beginning of your upkeep, Jinxed Choker deals damage to you equal to the number of charge counters on it.

: Put a charge counter on Jinxed Choker or remove one from it.

Mana:
Cardset: Mirrodin #189 (Rare)
Type: Artifact

Jinxed Idol

Artifact

At the beginning of your upkeep, Jinxed Idol deals 2 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Idol.

"Please, honored friend, take it with my compliments. I insist."

Mana:
Cardset: Magic 2011 #208 (Rare)
Tempest #283 (Rare)
Type: Artifact

Jinxed Ring

Artifact

Whenever a nontoken permanent is put into your graveyard from the battlefield, Jinxed Ring deals 1 damage to you.

Sacrifice a creature: Target opponent gains control of Jinxed Ring. (This effect lasts indefinitely.)

Mana:
Cardset: Stronghold #131 (Rare)
Type: Artifact

Journeyer's Kite

Artifact

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

"From the clouds, you can see as far as the distant horizon. It's a reminder of the infinite possibilities of everyday life."
-Noboru, master kitemaker

Mana:
Cardset: Venser vs. Koth #65 (Rare)
Champions of Kamigawa #257 (Rare)
Type: Artifact

Joven's Tools

Artifact

, : Target creature can't be blocked this turn except by Walls.

"If that thief Joven ever shows his head around here again, make sure he leaves without it."
-Eron the Relentless

Mana:
Cardset: Fifth Edition #386 (Uncommon)
Homelands #133 (Uncommon)
Type: Artifact

Juggernaut

Artifact Creature - Juggernaut

Juggernaut attacks each turn if able.

Juggernaut can't be blocked by Walls.

The mighty city of An Karras, with its rich history, built over thousands of years, fell in three hours.

Mana:
Power: 5/3
Cardset: Magic 2015 #220 (Uncommon)
Elspeth vs. Tezzeret #52 (Uncommon)
Magic 2011 #209 (Uncommon)
Archenemy #109 (Uncommon)
Tenth Edition #328 (Uncommon)
Darksteel #125 (Uncommon)
Revised Edition #259 (Uncommon)
Unlimited Edition #256 (Uncommon)
Beta Edition #257 (Unknown)
Alpha Edition #255 (Unknown)
Type: Artifact Creature

Juju Bubble

Artifact

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When you play a card, sacrifice Juju Bubble.

: You gain 1 life.

"If my heart had a lid, I would lift it and show you my joy."
-From Suq'Ata wedding ceremony

Mana:
Cardset: Visions #147 (Uncommon)
Type: Artifact

Junk Diver

Artifact Creature - Bird

Flying

When Junk Diver dies, return another target artifact card from your graveyard to your hand.

Garbage in, treasure out.

Mana:
Power: 1/1
Cardset: Commander 2014 #244 (Rare)
Urza's Destiny #132 (Rare)
Type: Artifact Creature

Junk Golem

Artifact Creature - Golem

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

At the beginning of your upkeep, sacrifice Junk Golem unless you remove a +1/+1 counter from it.

, Discard a card: Put a +1/+1 counter on Junk Golem.

Mana:
Cardset: Odyssey #300 (Rare)
Type: Artifact Creature

Junktroller

Artifact Creature - Golem

Defender (This creature can't attack.)

: Put target card from a graveyard on the bottom of its owner's library.

One man's trash is another man's troller.

Mana:
Cardset: Ravnica: City of Guilds #264 (Uncommon)
Type: Artifact Creature

Junkyo Bell

Artifact

At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step.

Mana:
Cardset: Champions of Kamigawa #258 (Rare)
Type: Artifact

Juntu Stakes

Artifact

Creatures with power 1 or less don't untap during their controllers' untap steps.

"Those who can't survive are of no consequence."
-Tsabo Tavoc

Mana:
Cardset: Invasion #304 (Rare)
Type: Artifact

Kaleidostone

Artifact

When Kaleidostone enters the battlefield, draw a card.

, , Sacrifice Kaleidostone: Add to your mana pool.

Once broken, who knows what worlds might grow from its shards?

Mana:
Cardset: Conflux #137 (Common)
Type: Artifact

Karn, Silver Golem

Legendary Artifact Creature - Golem

Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn.

: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.

Mana:
Power: 4/4
Cardset: Urza's Saga #298 (Rare)
Type: Artifact Creature

Keening Stone

Artifact

, : Target player puts the top X cards of his or her library into his or her graveyard, where X is the number of cards in that player's graveyard.

As it spins, dead voices shriek in an ever-increasing cacophony, rending the mind asunder.

Mana:
Cardset: Rise of the Eldrazi #219 (Rare)
Type: Artifact

Keeper of the Lens

Artifact Creature - Golem

You may look at face-down creatures you don't control. (You may do this at any time.)

"It sees all, but it reveals what it sees only to a chosen few."
-Taigam, Ojutai master

Mana:
Power: 1/2
Cardset: Dragons of Tarkir #240 (Common)
Type: Artifact Creature

Keldon Battlewagon

Artifact Creature - Juggernaut

Trample

Keldon Battlewagon can't block.

When Keldon Battlewagon attacks, sacrifice it at end of combat.

Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Mana:
Cardset: Prophecy #139 (Rare)
Type: Artifact Creature

Khalni Gem

Artifact

When Khalni Gem enters the battlefield, return two lands you control to their owner's hand.

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

A fragment of ancient power lost in the heart of Ora Ondar.

Mana:
Cardset: Zendikar #205 (Uncommon)
Type: Artifact

Kill Switch

Artifact

, : Tap all other artifacts. They don't untap during their controllers' untap steps for as long as Kill Switch remains tapped.

Success is largely a matter of knowing which lever to pull.

Mana:
Cardset: Nemesis #133 (Rare)
Type: Artifact

Kiln Walker

Artifact Creature - Construct

Whenever Kiln Walker attacks, it gets +3/+0 until end of turn.

If it possesses an ability to understand and appreciate life, it has never shown it.

Mana:
Cardset: New Phyrexia #142 (Uncommon)
Type: Artifact Creature

Kite Shield

Artifact - Equipment

Equipped creature gets +0/+3.

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

"To my sword I owe my glory, but to my shield I owe my life."
-Sarlena, paladin of the Northern Verge

Mana:
Cardset: Magic 2012 #210 (Uncommon)
Type: Artifact

Kitesail

Artifact - Equipment

Equipped creature gets +1/+0 and has flying.

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

Kitesailing is a way of life-and without practice, the end of it.

Mana:
Cardset: Magic 2013 #208 (Uncommon)
Worldwake #126 (Common)
Type: Artifact

Knowledge Pool

Artifact

Imprint - When Knowledge Pool enters the battlefield, each player exiles the top three cards of his or her library.

Whenever a player casts a spell from his or her hand, that player exiles it. If the player does, he or she may cast another nonland card exiled with Knowledge Pool without paying that card's mana cost.

Mana:
Cardset: Mirrodin Besieged #111 (Rare)
Type: Artifact

Knowledge Vault

Artifact

, : Exile the top card of your library face down.

: Sacrifice Knowledge Vault. If you do, discard your hand, then put all cards exiled with Knowledge Vault into their owner's hand.

When Knowledge Vault leaves the battlefield, put all cards exiled with Knowledge Vault into their owner's graveyard.

Mana:
Cardset: Legends #225 (Rare)
Type: Artifact

Kolaghan Monument

Artifact

: Add or to your mana pool.

: Kolaghan Monument becomes a 4/4 black and red Dragon artifact creature with flying until end of turn.

Kolaghan has no lasting home, but her disciples leave relics to mark her conquests.

Mana:
Cardset: Dragons of Tarkir #241 (Uncommon)
Type: Artifact

Konda's Banner

Legendary Artifact - Equipment

Konda's Banner can be attached only to a legendary creature.

Creatures that share a color with equipped creature get +1/+1.

Creatures that share a creature type with equipped creature get +1/+1.

Equip

Mana:
Cardset: Champions of Kamigawa #259 (Rare)
Type: Artifact

Kormus Bell

Artifact

All Swamps are 1/1 black creatures that are still lands.

Mana:
Cardset: Fourth Edition #350 (Rare)
Revised Edition #260 (Rare)
Unlimited Edition #257 (Rare)
Beta Edition #258 (Unknown)
Alpha Edition #256 (Unknown)
Type: Artifact

Kraken's Eye

Artifact

Whenever a player casts a blue spell, you may gain 1 life.

It's seen the wonders of entire worlds trapped in the depths of a bottomless ocean.

Mana:
Cardset: Magic 2012 #211 (Uncommon)
Magic 2011 #210 (Uncommon)
Magic 2010 #213 (Uncommon)
Tenth Edition #329 (Uncommon)
Ninth Edition #302 (Uncommon)
Darksteel #126 (Uncommon)
Type: Artifact

Krark's Thumb

Legendary Artifact

If you would flip a coin, instead flip two coins and ignore one.

Mana:
Cardset: Mirrodin #190 (Rare)
Type: Artifact

Krark-Clan Ironworks

Artifact

Sacrifice an artifact: Add to your mana pool.

All the junk, refuse, and offal of the Krark Clan is diligently collected, melted down, and made into more junk, refuse, and offal.

Mana:
Cardset: Fifth Dawn #134 (Uncommon)
Type: Artifact

Kry Shield

Artifact

, : Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is its converted mana cost.

Mana:
Cardset: Legends #227 (Uncommon)
Type: Artifact

Kuldotha Forgemaster

Artifact Creature - Construct

, Sacrifice three artifacts: Search your library for an artifact card and put it onto the battlefield. Then shuffle your library.

The goblins say it used to be larger, before it began to stoke the Great Furnace with pieces of itself.

Mana:
Power: 3/5
Cardset: Scars of Mirrodin #169 (Rare)
Type: Artifact Creature

Kusari-Gama

Artifact - Equipment

Equipped creature has ": This creature gets +1/+0 until end of turn."

Whenever equipped creature deals damage to a blocking creature, Kusari-Gama deals that much damage to each other creature defending player controls.

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

Mana:
Cardset: Champions of Kamigawa #260 (Rare)
Type: Artifact

Kyren Archive

Artifact

At the beginning of your upkeep, you may exile the top card of your library face down.

, Discard your hand, Sacrifice Kyren Archive: Put all cards exiled with Kyren Archive into their owner's hand.

Mana:
Cardset: Mercadian Masques #302 (Rare)
Type: Artifact

Kyren Toy

Artifact

, : Put a charge counter on Kyren Toy.

, Remove X charge counters from Kyren Toy: Add to your mana pool.

Mana:
Cardset: Mercadian Masques #303 (Rare)
Type: Artifact