Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Barricade Breaker attacks each combat if able.
7 /
5
{12}{U}{U}
Blinkmoth Infusion
Instant
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Untap all artifacts.
{W}
Built to Last
Instant
Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
{R}
Built to Smash
Instant
Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn.
{3}
Chief of the Foundry
Artifact Creature - Construct
Other artifact creatures you control get +1/+1.
2 /
3
--
Cloudpost
Land - Locus
Cloudpost enters the battlefield tapped.
{T}: Add {C} for each Locus on the battlefield.
--
Cloudpost
Land - Locus
Cloudpost enters the battlefield tapped.
{T}: Add {C} for each Locus on the battlefield.
{2}
Consulate Skygate
Artifact Creature - Wall
Defender
Reach (This creature can block creatures with flying.)
0 /
4
{2}
Copper Myr
Artifact Creature - Myr
{T}: Add {G}.
1 /
1
--
Crumbling Vestige
Land
Crumbling Vestige enters the battlefield tapped.
When Crumbling Vestige enters the battlefield, add one mana of any color.
{T}: Add {C}. ({C} represents colorless mana.)
{9}
Darksteel Forge
Artifact
Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)
{3}
Darksteel Ingot
Artifact
Indestructible
{T}: Add one mana of any color.
--
Dimir Aqueduct
Land
Dimir Aqueduct enters the battlefield tapped.
When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.
{T}: Add {U}{B}.
{U}
Dispel
Instant
Counter target instant spell.
{2}
Energy Chamber
Artifact
At the beginning of your upkeep, choose one --
• Put a +1/+1 counter on target artifact creature.
• Put a charge counter on target noncreature artifact.
{2}{B}
Fortuitous Find
Sorcery
Choose one or both --
• Return target artifact card from your graveyard to your hand.
• Return target creature card from your graveyard to your hand.
{2}
Gold Myr
Artifact Creature - Myr
{T}: Add {W}.
1 /
1
--
Golgari Rot Farm
Land
Golgari Rot Farm enters the battlefield tapped.
When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.
{T}: Add {B}{G}.
--
Great Furnace
Artifact Land
{T}: Add {R}.
--
Great Furnace
Artifact Land
{T}: Add {R}.
{2}
Hedron Crawler
Artifact Creature - Construct
{T}: Add {C}. ({C} represents colorless mana.)
0 /
1
{4}{R}{R}
Hellkite Tyrant
Creature - Dragon
Flying, trample
Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.
At the beginning of your upkeep, if you control twenty or more artifacts, you win the game.
6 /
5
{2}
Iron Myr
Artifact Creature - Myr
{T}: Add {R}.
1 /
1
{3}
Jeskai Banner
Artifact
{T}: Add {U}, {R}, or {W}.
{U}{R}{W}, {T}, Sacrifice Jeskai Banner: Draw a card.
{5}
Kuldotha Forgemaster
Artifact Creature - Construct
{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.
3 /
5
{5}
Kuldotha Forgemaster
Artifact Creature - Construct
{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.
3 /
5
{2}
Leaden Myr
Artifact Creature - Myr
{T}: Add {B}.
1 /
1
{W}
Leonin Elder
Creature - Cat Cleric
Whenever an artifact enters the battlefield, you may gain 1 life.
1 /
1
{3}
Mardu Banner
Artifact
{T}: Add {R}, {W}, or {B}.
{R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.
{3}{U}{U}
Metallurgic Summonings
Enchantment
Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.
{3}{U}{U}, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.
--
Miren, the Moaning Well
Legendary Land
{T}: Add {C}.
{3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.
--
Mirrodin's Core
Land
{T}: Add {C}.
{T}: Put a charge counter on Mirrodin's Core.
{T}, Remove a charge counter from Mirrodin's Core: Add one mana of any color.
{7}
Myr Battlesphere
Artifact Creature - Myr Construct
When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
4 /
7
{7}
Myr Enforcer
Artifact Creature - Myr
Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
4 /
4
{2}
Narnam Cobra
Artifact Creature - Snake
{G}: Narnam Cobra gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)
2 /
1
--
Nomad Outpost
Land
Nomad Outpost enters the battlefield tapped.
{T}: Add {R}, {W}, or {B}.
--
Opulent Palace
Land
Opulent Palace enters the battlefield tapped.
{T}: Add {B}, {G}, or {U}.
{2}{U}
Override
Instant
Counter target spell unless its controller pays {1} for each artifact you control.
{1}{R}
Reckless Fireweaver
Creature - Human Artificer
Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.
1 /
3
{3}{W}
Refurbish
Sorcery
Return target artifact card from your graveyard to the battlefield.
{3}{W}
Refurbish
Sorcery
Return target artifact card from your graveyard to the battlefield.
{3}
Scrap Trawler
Artifact Creature - Construct
Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.
3 /
2
--
Seat of the Synod
Artifact Land
{T}: Add {U}.
{3}
Shimmer Myr
Artifact Creature - Myr
Flash
You may cast artifact spells as though they had flash.
2 /
2
{2}
Silver Myr
Artifact Creature - Myr
{T}: Add {U}.
1 /
1
{3}
Skeleton Shard
Artifact
{3}, {T} or {B}, {T}: Return target artifact creature card from your graveyard to your hand.
{2}
Sliversmith
Artifact Creature - Spellshaper
{1}, {T}, Discard a card: Create a 1/1 colorless Sliver artifact creature token named Metallic Sliver.
1 /
1
{3}
Spectral Searchlight
Artifact
{T}: Choose a player. That player adds one mana of any color they choose.
{0}
Spidersilk Net
Artifact - Equipment
Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{2}{W}{W}
Sram's Expertise
Sorcery
Create three 1/1 colorless Servo artifact creature tokens.
You may cast a spell with mana value 3 or less from your hand without paying its mana cost.
{1}
Steel Wall
Artifact Creature - Wall
Defender (This creature can't attack.)
0 /
4
{1}
Stoneforge Masterwork
Artifact - Equipment
Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it.
Equip {2}
{1}
Tanglebloom
Artifact
{1}, {T}: You gain 1 life.
{3}
Temur Banner
Artifact
{T}: Add {G}, {U}, or {R}.
{G}{U}{R}, {T}, Sacrifice Temur Banner: Draw a card.
{2}{U}{B}
Tezzeret the Schemer
Legendary Planeswalker - Tezzeret
+1: Create a colorless artifact token named Etherium Cell with "{T}, Sacrifice this artifact: Add one mana of any color."
-2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.
-7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5."
L:
5
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Tree of Tales
Artifact Land
{T}: Add {G}.
{U}
Turn Aside
Instant
Counter target spell that targets a permanent you control.
--
Vault of Whispers
Artifact Land
{T}: Add {B}.
--
Vault of Whispers
Artifact Land
{T}: Add {B}.
--
Vault of Whispers
Artifact Land
{T}: Add {B}.
{2}
Wall of Tanglecord
Artifact Creature - Wall
Defender
{G}: Wall of Tanglecord gains reach until end of turn. (It can block creatures with flying.)
Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.
{2}{R}
Welding Sparks
Instant
Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.
{3}
Whirlermaker
Artifact
{4}, {T}: Create a 1/1 colorless Thopter artifact creature token with flying.
{3}
Whirlermaker
Artifact
{4}, {T}: Create a 1/1 colorless Thopter artifact creature token with flying.
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}
{5}
Bastion Mastodon
Artifact Creature - Elephant
{W}: Bastion Mastodon gains vigilance until end of turn.
4 /
5
{6}
Darksteel Sentinel
Artifact Creature - Golem
Flash (You may cast this spell any time you could cast an instant.)
Vigilance
Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)
Target creature gets -1/-1 until end of turn for each artifact you control.
{2}{U}
Magnetic Flux
Instant
Artifact creatures you control gain flying until end of turn.
{7}
Myr Battlesphere
Artifact Creature - Myr Construct
When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.
Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
4 /
7
{6}
Myr Incubator
Artifact
{6}, {T}, Sacrifice Myr Incubator: Search your library for any number of artifact cards, exile them, then create that many 1/1 colorless Myr artifact creature tokens. Then shuffle.
{4}
Snare Thopter
Artifact Creature - Thopter
Flying, haste
3 /
2
{1}
Stoneforge Masterwork
Artifact - Equipment
Equipped creature gets +1/+1 for each other creature you control that shares a creature type with it.
Equip {2}
{6}
Thopter Assembly
Artifact Creature - Thopter
Flying
At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.