{3}{W}, Sacrifice another artifact: Aerial Toastmaster assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
3 /
2
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{2}
Azorius Signet
Artifact
{1}, {T}: Add {W}{U}.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{3}{U}
Chipper Chopper
Artifact Creature - Cyborg Rigger
Flying
When Chipper Chopper enters the battlefield, you may sacrifice another artifact. If you do, put two +1/+1 counters on Chipper Chopper and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
1 /
1
{4}
Clock of DOOOOOOOOOOOOM!
Artifact
{4}, {T}: Move the CRANK! counter to your Contraption deck's next sprocket and crank any number of that sprocket's Contraptions.
{1}
Cogmentor
Artifact Creature - Gnome Rigger
Flying
{4}: Reassemble target Contraption you control. (Move it onto another one of your sprockets.)
1 /
1
{5}
Conjurer's Closet
Artifact
At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.
{4}
Contraption Cannon
Artifact
{2}, Sacrifice Contraption Cannon: It deals damage to any target equal to the number of Contraptions you control.
{W}{U}{B}
Dakkon, Shadow Slayer
Legendary Planeswalker - Dakkon
Dakkon, Shadow Slayer enters the battlefield with a number of loyalty counters on him equal to the number of lands you control.
+1: Surveil 2.
-3: Exile target creature.
-6: You may put an artifact card from your hand or graveyard onto the battlefield.
L:
0
{1}{B}{R}
Daretti, Ingenious Iconoclast
Legendary Planeswalker - Daretti
+1: Create a 1/1 colorless Construct artifact creature token with defender.
-1: You may sacrifice an artifact. If you do, destroy target artifact or creature.
-6: Choose target artifact card in a graveyard or artifact on the battlefield. Create three tokens that are copies of it.
L:
3
{5}
Darksteel Juggernaut
Artifact Creature - Juggernaut
Indestructible
Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control.
Darksteel Juggernaut attacks each combat if able.
* /
*
{2}{W}
Digsite Engineer
Creature - Dwarf Artificer
Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."
3 /
3
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{1}{R}
Dragonspark Reactor
Artifact
Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor.
{4}, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.
{4}
Empowered Autogenerator
Artifact
Empowered Autogenerator enters tapped.
{T}: Put a charge counter on Empowered Autogenerator. Add X mana of any one color, where X is the number of charge counters on Empowered Autogenerator.
{U}{R}
Enthusiastic Mechanaut
Artifact Creature - Goblin Artificer
Flying
Artifact spells you cast cost {1} less to cast.
2 /
2
{5}{B}
Finders, Keepers
Sorcery
Destroy target creature, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
{3}{G}
First Pick
Instant
Destroy target artifact or enchantment. Assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
{4}{R}
Garbage Elemental
Creature - Elemental Rigger
When Garbage Elemental enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
Undying (When this creature 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.)
3 /
1
{5}{U}
Glacian, Powerstone Engineer
Legendary Creature - Human Artificer
{T}, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of those cards into your hand and the rest into your graveyard.
Partner (You can have two commanders if both have partner.)
3 /
6
{1}{R}
Goblin Engineer
Creature - Goblin Artificer
When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle.
{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.
1 /
2
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
{2}
Gruul Signet
Artifact
{1}, {T}: Add {R}{G}.
{2}{R}
Gut, True Soul Zealot
Legendary Creature - Goblin Shaman
Whenever you attack, you may sacrifice another creature or an artifact. If you do, create a 4/1 black Skeleton creature token with menace that's tapped and attacking. (It can't be blocked except by two or more creatures.)
Choose a Background (You can have a Background as a second commander.)
2 /
2
{2}{G}
Hydra's Growth
Enchantment - Aura
Enchant creature
When Hydra's Growth enters, put a +1/+1 counter on enchanted creature.
At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.
{X}{U}{U}
Incite Insight
Sorcery
Assemble X Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)
{2}{R}
Ingenious Artillerist
Creature - Human Artificer
Whenever one or more artifacts enter the battlefield under your control, Ingenious Artillerist deals that much damage to each opponent.
3 /
1
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}
Izzet Signet
Artifact
{1}, {T}: Add {U}{R}.
{1}{W}
Jackknight
Artifact Creature - Cyborg Knight
Whenever another artifact enters the battlefield under your control, put a +1/+1 counter on Jackknight. If that artifact is a Contraption, Jackknight gains lifelink until end of turn.
1 /
1
{3}{G}
Joyride Rigger
Creature - Goblin Rigger
When Joyride Rigger enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
3 /
3
{1}{U}
Kindly Cognician
Artifact Creature - Cyborg Artificer
Spells you cast that refer to artifacts or Contraptions in their rules text cost {1} less to cast.
1 /
3
{3}{R}
Krark-Clan Engineers
Creature - Goblin Artificer
{R}, Sacrifice two artifacts: Destroy target artifact.
2 /
2
{2}{R}
Krark-Clan Stoker
Creature - Goblin Shaman
{T}, Sacrifice an artifact: Add {R}{R}.
2 /
2
{2}{R}{R}
Kurkesh, Onakke Ancient
Legendary Creature - Ogre Spirit
Whenever you activate an ability of an artifact, if it isn't a mana ability, you may pay {R}. If you do, copy that ability. You may choose new targets for the copy.
4 /
3
{4}
Lithoform Engine
Legendary Artifact
{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.
{3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.
{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)
{1}
Manifold Key
Artifact
{1}, {T}: Untap another target artifact.
{3}, {T}: Target creature can't be blocked this turn.
{4}{B}{B}
Marionette Master
Creature - Human Artificer
Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)
Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.
1 /
3
{3}{W}
Midlife Upgrade
Sorcery
As an additional cost to cast this spell, sacrifice X Contraptions.
Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
{3}{B}
Overt Operative
Creature - Human Ninja Rigger
Menace
Whenever Overt Operative deals combat damage to a player, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
2 /
3
{4}
Panharmonicon
Artifact
If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
{2}{U}
Paradox Haze
Enchantment - Aura
Enchant player
At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.
{2}{R}
Quicksmith Genius
Creature - Human Artificer
Whenever an artifact enters the battlefield under your control, you may discard a card. If you do, draw a card.
3 /
2
{3}{R}
Quicksmith Rebel
Creature - Human Artificer
When Quicksmith Rebel enters the battlefield, target artifact you control gains "{T}: This artifact deals 2 damage to any target" for as long as you control Quicksmith Rebel.
3 /
2
{3}{U}
Quicksmith Spy
Creature - Human Artificer
When Quicksmith Spy enters the battlefield, target artifact you control gains "{T}: Draw a card" for as long as you control Quicksmith Spy.
2 /
3
{2}
Rakdos Signet
Artifact
{1}, {T}: Add {B}{R}.
{6}
Ramos, Dragon Engine
Legendary Artifact Creature - Dragon
Flying
Whenever you cast a spell, put a +1/+1 counter on Ramos, Dragon Engine for each of that spell's colors.
Remove five +1/+1 counters from Ramos: Add {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}. Activate only once each turn.
4 /
4
{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
{2}{W}
Riveting Rigger
Artifact Creature - Cyborg Rigger
When Riveting Rigger enters the battlefield, you may sacrifice another artifact. If you do, put two +1/+1 counters on Riveting Rigger and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
2 /
2
{2}
Selesnya Signet
Artifact
{1}, {T}: Add {G}{W}.
{2}
Simic Signet
Artifact
{1}, {T}: Add {G}{U}.
{1}{R}
Slobad, Goblin Tinkerer
Legendary Creature - Goblin Artificer
Sacrifice an artifact: Target artifact gains indestructible until end of turn.
1 /
2
{1}{W}{U}{B}
Sludge Strider
Artifact Creature - Insect
Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.
3 /
3
{1}{R}
Sokenzan Smelter
Creature - Goblin Artificer
At the beginning of combat on your turn, you may pay {1} and sacrifice an artifact. If you do, create a 3/1 red Construct artifact creature token with haste.
2 /
2
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{U}{U}
Spell Suck
Instant
Counter target spell, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
{6}{U}{U}
Sphinx of the Second Sun
Creature - Sphinx
Flying
At the beginning of your postcombat main phase, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)
6 /
6
{2}{B}
Steady-Handed Mook
Creature - Human Rigger
Deathtouch
When Steady-Handed Mook enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
1 /
1
{3}{R}
Steamflogger Boss
Creature - Goblin Rigger
Other Riggers you control get +1/+0 and have haste.
If a Rigger you control would assemble a Contraption, it assembles two Contraptions instead.
3 /
3
{2}{G}
Steamflogger Service Rep
Creature - Goblin Rigger
Whenever another Goblin enters the battlefield under your control, you may pay {1}. If you do, Steamflogger Service Rep assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
1 /
1
{1}{R}
Steamflogger Temp
Creature - Goblin Rigger
{6}, {T}: Steamflogger Temp assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)
2 /
1
{3}{R}{R}
Steamflogger of the Month
Creature - Goblin Rigger
When Steamflogger of the Month enters the battlefield, it assembles a Contraption for each Contraption you control. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)
3 /
3
{4}{R}{R}
Steamfloggery
Instant
Roll a six-sided die. Assemble a number of Contraptions equal to the result. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)
{2}
Strionic Resonator
Artifact
{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")
{U}{R}
Tawnos, Urza's Apprentice
Legendary Creature - Human Artificer
Haste
{U}{R}, {T}: Copy target activated or triggered ability you control from an artifact source. You may choose new targets for the copy. (Mana abilities can't be targeted.)
1 /
3
{2}{R}
Toggo, Goblin Weaponsmith
Legendary Creature - Goblin Artificer
Landfall -- Whenever a land you control enters, create a colorless Equipment artifact token named Rock with "Equipped creature has '{1}, {T}, Sacrifice Rock: This creature deals 2 damage to any target'" and equip {1}.
Partner (You can have two commanders if both have partner.)
2 /
2
{2}{R}
Treasure Nabber
Creature - Goblin Rogue
Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.
3 /
2
{1}{U}{U}{U}
Very Cryptic Command
Instant
Choose two --
• Switch target creature's power and toughness until end of turn.
• Target creature can't be blocked this turn.
• Draw a card. If that card's art is by Wayne England, you may reveal it and draw another card.
• Assemble a Contraption.
{2}{R}{R}
Work a Double
Sorcery
Assemble two Contraptions. (Put the top card of your Contraption deck face up onto one of your sprockets. Then repeat this process.)
{R}
Wrench-Rigger
Creature - Goblin Rigger
When Wrench-Rigger enters the battlefield, it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)