| Card name : | Leonin Bola | Mana Cost : | | Types : | Artifact - Equipment | Card Text : | Equipped creature has " , Unattach Leonin Bola: Tap target creature." Equip ( : Attach to target creature you control. Equip only as a sorcery. This card comes into play unattached and stays in play if the creature leaves play.) | | | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Leonin Shikari | Mana Cost : |  | Types : | Creature - Cat Soldier | Card Text : | You may play equip abilities any time you could play an instant. | P/T : | 2 / 2 | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Lich's Tomb | Mana Cost : | | Types : | Artifact | Card Text : | You don't lose the game for having 0 or less life. Whenever you lose life, sacrifice a permanent for each 1 life you lost. (Damage causes loss of life.) | | | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Loxodon Mystic | Mana Cost : |   | Types : | Creature - Elephant Cleric | Card Text : | , : Tap target creature. | P/T : | 3 / 3 | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Machinate | Mana Cost : |   | Types : | Instant | Card Text : | Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in any order. | | | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Magnetic Flux | Mana Cost : |  | Types : | Instant | Card Text : | Artifact creatures you control gain flying until end of turn. | | | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Memnarch | Mana Cost : | | Types : | Legendary Artifact Creature - Wizard | Card Text : |   : Target permanent becomes an artifact in addition to its other types. (This effect doesn't end at end of turn.)
 : Gain control of target artifact. (This effect doesn't end at end of turn.) | P/T : | 4 / 5 | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Mephitic Ooze | Mana Cost : |  | Types : | Creature - Ooze | Card Text : | Mephitic Ooze gets +1/+0 for each artifact you control. Whenever Mephitic Ooze deals combat damage to a creature, destroy that creature. The creature can't be regenerated. | P/T : | 0 / 5 | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Metal Fatigue | Mana Cost : |  | Types : | Instant | Card Text : | Tap all artifacts. | | | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Mirrodin's Core | | | Types : | Land | Card Text : | : Add to your mana pool.
: Put a charge counter on Mirrodin's Core.
, Remove a charge counter from Mirrodin's Core: Add one mana of any color to your mana pool. | | | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Murderous Spoils | Mana Cost : |  | Types : | Instant | Card Text : | Destroy target nonblack creature. It can't be regenerated. You gain control of all Equipment that was attached to it. (This effect doesn't end at end of turn.) | | | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Mycosynth Lattice | Mana Cost : | | Types : | Artifact | Card Text : | All permanents are artifacts in addition to their other types. All cards that aren't in play, spells, and permanents are colorless. Players may spend mana as though it were mana of any color. | | | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Myr Landshaper | Mana Cost : | | Types : | Artifact Creature - Myr | Card Text : | : Target land becomes an artifact in addition to its other types until end of turn. | P/T : | 1 / 1 | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Myr Matrix | Mana Cost : | | Types : | Artifact | Card Text : | Myr Matrix is indestructible. ("Destroy" effects and lethal damage don't destroy it.) All Myr get +1/+1.
: Put a 1/1 Myr artifact creature token into play. | | | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Myr Moonvessel | Mana Cost : | | Types : | Artifact Creature - Myr | Card Text : | When Myr Moonvessel is put into a graveyard from play, add 1 to your mana pool. | P/T : | 1 / 1 | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Nemesis Mask | Mana Cost : | | Types : | Artifact - Equipment | Card Text : | All creatures able to block equipped creature do so. Equip ( : Attach to target creature you control. Equip only as a sorcery. This card comes into play unattached and stays in play if the creature leaves play.) | | | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Neurok Prodigy | Mana Cost : |  | Types : | Creature - Human Wizard | Card Text : | Flying Discard an artifact card: Return Neurok Prodigy to its owner's hand. | P/T : | 2 / 1 | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Neurok Transmuter | Mana Cost : |  | Types : | Creature - Human Wizard | Card Text : | : Target creature becomes an artifact in addition to its other types until end of turn.
: Until end of turn, target artifact creature becomes blue and isn't an artifact. | P/T : | 2 / 2 | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Nim Abomination | Mana Cost : |  | Types : | Creature - Zombie | Card Text : | At the end of your turn, if Nim Abomination is untapped, you lose 3 life. | P/T : | 3 / 4 | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Nourish | Mana Cost : |  | Types : | Instant | Card Text : | You gain 6 life. | | | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Oxidda Golem | Mana Cost : | | Types : | Artifact Creature - Golem | Card Text : | Affinity for Mountains (This spell costs less to play for each Mountain you control.) Haste | P/T : | 3 / 2 | Expansion : | Darksteel | Rarity : | Common |
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| Card name : | Oxidize | Mana Cost : | | Types : | Instant | Card Text : | Destroy target artifact. It can't be regenerated. | | | Expansion : | Darksteel | Rarity : | Uncommon |
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| Card name : | Panoptic Mirror | Mana Cost : | | Types : | Artifact | Card Text : | Imprint -- , : You may remove an instant or sorcery card with converted mana cost X in your hand from the game. (That card is imprinted on this artifact.) At the beginning of your upkeep, you may copy an imprinted instant or sorcery card. If you do, you may play the copy without paying its mana cost. | | | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Pristine Angel | Mana Cost : |   | Types : | Creature - Angel | Card Text : | Flying As long as Pristine Angel is untapped, it has protection from artifacts and from all colors. Whenever you play a spell, you may untap Pristine Angel. | P/T : | 4 / 4 | Expansion : | Darksteel | Rarity : | Rare |
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| Card name : | Psychic Overload | Mana Cost : |  | Types : | Enchantment - Aura | Card Text : | Enchant permanent When Psychic Overload comes into play, tap enchanted permanent. Enchanted permanent doesn't untap during its controller's untap step. Enchanted permanent has "Discard two artifact cards: Untap this permanent." | | | Expansion : | Darksteel | Rarity : | Uncommon |
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