Whenever Aerial Surveyor attacks, if defending player controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.
Crew 2
3 /
4
{3}{W}
Aethershield Artificer
Creature - Dwarf Artificer
At the beginning of combat on your turn, target artifact creature you control gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
3 /
3
{3}{R}{W}
Alibou, Ancient Witness
Legendary Artifact Creature - Golem
Other artifact creatures you control have haste.
Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.
4 /
5
--
Alpine Meadow
Snow Land - Mountain Plains
({T}: Add {R} or {W}.)
Alpine Meadow enters the battlefield tapped.
--
Ancient Den
Artifact Land
{T}: Add {W}.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{1}
Basilisk Collar
Artifact - Equipment
Equipped creature has deathtouch and lifelink.
Equip {2}
{W}
Blacksmith's Skill
Instant
Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.
{R}{W}
Boros Charm
Instant
Choose one --
• Boros Charm deals 4 damage to target player or planeswalker.
• Permanents you control gain indestructible until end of turn.
• Target creature gains double strike until end of turn.
--
Boros Garrison
Land
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{W}.
--
Boros Guildgate
Land - Gate
Boros Guildgate enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{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.)
--
Buried Ruin
Land
{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.
{5}{R}
Chaotic Transformation
Sorcery
Exile up to one target artifact, up to one target creature, up to one target enchantment, up to one target planeswalker, and/or up to one target land. For each permanent exiled this way, its controller reveals cards from the top of their library until they reveal a card that shares a card type with it, puts that card onto the battlefield, then shuffles.
{3}
Chief of the Foundry
Artifact Creature - Construct
Other artifact creatures you control get +1/+1.
2 /
3
--
Cliffgate
Land - Gate
Cliffgate enters the battlefield tapped.
As Cliffgate enters the battlefield, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.
{4}
Clock of Omens
Artifact
Tap two untapped artifacts you control: Untap target artifact.
{4}{R}{R}
Combustible Gearhulk
Artifact Creature - Construct
First strike
When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.
6 /
6
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Cultivator's Caravan
Artifact - Vehicle
{T}: Add one mana of any color.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
5 /
5
{3}
Daredevil Dragster
Artifact - Vehicle
At end of combat, if Daredevil Dragster attacked or blocked this combat, put a velocity counter on it. Then if it has two or more velocity counters on it, sacrifice it and draw two cards.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
4 /
4
{3}{R}
Daretti, Scrap Savant
Legendary Planeswalker - Daretti
+2: Discard up to two cards, then draw that many cards.
-2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.
-10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step."
Daretti, Scrap Savant can be your commander.
L:
3
--
Darksteel Citadel
Artifact Land
Indestructible
{T}: Add {C}.
{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
{W}
Dispatch
Instant
Tap target creature.
Metalcraft -- If you control three or more artifacts, exile that creature.
{2}
Ebony Fly
Artifact
Ebony Fly enters the battlefield tapped.
{T}: Add {C}.
{4}: Roll a d6. Until end of turn, you may have Ebony Fly become an X/X Insect artifact creature with flying, where X is the result.
Whenever Ebony Fly attacks, another target attacking creature gains flying until end of turn.
{1}{R}{R}
Feldon of the Third Path
Legendary Creature - Human Artificer
{2}{R}, {T}: Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.
2 /
3
{3}
Foundry Inspector
Artifact Creature - Construct
Artifact spells you cast cost {1} less to cast.
3 /
2
--
Furycalm Snarl
Land
As Furycalm Snarl enters the battlefield, you may reveal a Mountain or Plains card from your hand. If you don't, Furycalm Snarl enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{W}
Generous Gift
Instant
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
{2}
Genesis Chamber
Artifact
Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.
{2}{R}{W}
Gerrard, Weatherlight Hero
Legendary Creature - Human Soldier
First strike
When Gerrard, Weatherlight Hero dies, exile it and return to the battlefield all artifact and creature cards in your graveyard that were put there from the battlefield this turn.
3 /
3
{2}{R}
Ghirapur Aether Grid
Enchantment
Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.
{2}{R}
Glittering Stockpile
Artifact - Treasure
{T}: Add {R}. Put a stash counter on Glittering Stockpile.
{T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.
{4}
Goliath Truck
Artifact - Vehicle
Stowage -- Whenever Goliath Truck attacks, put two +1/+1 counters on another target attacking creature.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)
4 /
4
{4}
Grafted Exoskeleton
Artifact - Equipment
Equipped creature gets +2/+2 and has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Whenever Grafted Exoskeleton becomes unattached from a permanent, sacrifice that permanent.
Equip {2}
--
Great Furnace
Artifact Land
{T}: Add {R}.
{3}{R}
Hoard Hauler
Artifact - Vehicle
Trample
Whenever Hoard Hauler deals combat damage to a player, create a Treasure token for each artifact they control.
Crew 3
5 /
5
{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
{2}{R}{W}
Iroas, God of Victory
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red and white is less than seven, Iroas isn't a creature.
Creatures you control have menace.
Prevent all damage that would be dealt to attacking creatures you control.
7 /
4
{3}{R}{W}
Jor Kadeen, the Prevailer
Legendary Creature - Human Warrior
First strike
Metalcraft -- Creatures you control get +3/+0 as long as you control three or more artifacts.
5 /
4
{2}
Liquimetal Torque
Artifact
{T}: Add {C}.
{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.
{2}{W}
Losheel, Clockwork Scholar
Legendary Creature - Elephant Artificer
Prevent all combat damage that would be dealt to attacking artifact creatures you control.
Whenever one or more artifact creatures enter the battlefield under your control, draw a card. This ability triggers only once each turn.
2 /
4
{1}{R}
Magda, Brazen Outlaw
Legendary Creature - Dwarf Berserker
Other Dwarves you control get +1/+0.
Whenever a Dwarf you control becomes tapped, create a Treasure token.
Sacrifice five Treasures: Search your library for an artifact or Dragon card, put that card onto the battlefield, then shuffle.
2 /
1
--
Mech Hangar
Land
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Pilot or Vehicle spell.
{3}, {T}: Target Vehicle becomes an artifact creature until end of turn.
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{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
{3}
Myr Galvanizer
Artifact Creature - Myr
Other Myr creatures you control get +1/+1.
{1}, {T}: Untap each other Myr you control.
2 /
2
{4}
Myriad Construct
Artifact Creature - Construct
Kicker {3}
If Myriad Construct was kicked, it enters the battlefield with a +1/+1 counter on it for each nonbasic land your opponents control.
When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power.
4 /
4
--
Myriad Landscape
Land
Myriad Landscape enters the battlefield tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{1}{W}
Myrsmith
Creature - Human Artificer
Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token.
2 /
1
{4}
Mystic Forge
Artifact
You may look at the top card of your library any time.
You may cast artifact spells and colorless spells from the top of your library.
{T}, Pay 1 life: Exile the top card of your library.
{8}{W}{W}
Organic Extinction
Sorcery
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Destroy all nonartifact creatures.
{3}
Palladium Myr
Artifact Creature - Myr
{T}: Add {C}{C}.
2 /
2
{3}
Peacewalker Colossus
Artifact - Vehicle
{1}{W}: Another target Vehicle you control becomes an artifact creature until end of turn.
Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)
6 /
6
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plaza of Heroes
Land
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell.
{T}: Add one mana of any color among legendary permanents you control.
{3}, {T}, Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.
{3}
Raiders' Karve
Artifact - Vehicle
Whenever Raiders' Karve attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
4 /
4
{2}
Reckoner Bankbuster
Artifact - Vehicle
Reckoner Bankbuster enters the battlefield with three charge counters on it.
{2}, {T}, Remove a charge counter from Reckoner Bankbuster: Draw a card. Then if there are no charge counters on Reckoner Bankbuster, create a Treasure token and a 1/1 colorless Pilot creature token with "This creature crews Vehicles as though its power were 2 greater."
Crew 3
4 /
4
{3}
Relic of Legends
Artifact
{T}: Add one mana of any color.
Tap an untapped legendary creature you control: Add one mana of any color.
{1}{W}
Restoration Specialist
Creature - Dwarf Artificer
{W}, Sacrifice Restoration Specialist: Return up to one target artifact card and up to one target enchantment card from your graveyard to your hand.
2 /
1
--
Rustvale Bridge
Artifact Land
Rustvale Bridge enters the battlefield tapped.
Indestructible
{T}: Add {R} or {W}.
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
{1}{W}
Servo Exhibition
Sorcery
Create two 1/1 colorless Servo artifact creature tokens.
{5}
Skysovereign, Consul Flagship
Legendary Artifact - Vehicle
Flying
Whenever Skysovereign, Consul Flagship enters the battlefield or attacks, it deals 3 damage to target creature or planeswalker an opponent controls.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
6 /
5
{4}
Slate of Ancestry
Artifact
{4}, {T}, Discard your hand: Draw a card for each creature you control.
--
Slayers' Stronghold
Land
{T}: Add {C}.
{R}{W}, {T}: Target creature gets +2/+0 and gains vigilance and haste until end of turn.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{2}{R}{R}
Splinter Twin
Enchantment - Aura
Enchant creature
Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."
{1}
Springleaf Drum
Artifact
{T}, Tap an untapped creature you control: Add one mana of any color.
{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.
{2}
Steel Overseer
Artifact Creature - Construct
{T}: Put a +1/+1 counter on each artifact creature you control.
1 /
1
--
Stone Quarry
Land
Stone Quarry enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}
Talisman of Conviction
Artifact
{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.
{1}{W}{W}
Tempered Steel
Enchantment
Artifact creatures you control get +2/+2.
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
{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.
5 /
5
{2}
Throne of the God-Pharaoh
Legendary Artifact
At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.
{4}
Traxos, Scourge of Kroog
Legendary Artifact Creature - Construct
Trample
Traxos, Scourge of Kroog enters the battlefield tapped and doesn't untap during your untap step.
Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)
7 /
7
{3}
Treasure Chest
Artifact
{4}, Sacrifice Treasure Chest: Roll a d20.
1 | Trapped! -- You lose 3 life.
2--9 | Create five Treasure tokens.
10--19 | You gain 3 life and draw three cards.
20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.
{6}
Ugin, the Ineffable
Legendary Planeswalker - Ugin
Colorless spells you cast cost {2} less to cast.
+1: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand.
-3: Destroy target permanent that's one or more colors.
L:
4
{4}
Untethered Express
Artifact - Vehicle
Trample
Whenever Untethered Express attacks, put a +1/+1 counter on it.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
4 /
4
{2}{R}
Valakut Awakening
Instant
Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.
--
Valakut Stoneforge
Land
Valakut Stoneforge enters the battlefield tapped.
{T}: Add {R}.
{4}
Weatherlight
Legendary Artifact - Vehicle
Flying
Whenever Weatherlight deals combat damage to a player, look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)
Crew 3
4 /
5
--
Wind-Scarred Crag
Land
Wind-Scarred Crag enters the battlefield tapped.
When Wind-Scarred Crag enters the battlefield, you gain 1 life.
{T}: Add {R} or {W}.
{4}{W}{W}
Austere Command
Sorcery
Choose two --
• Destroy all artifacts.
• Destroy all enchantments.
• Destroy all creatures with mana value 3 or less.
• Destroy all creatures with mana value 4 or greater.
{3}
Bronze Walrus
Artifact Creature - Walrus
When Bronze Walrus enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
{T}: Add one mana of any color.
2 /
2
{4}
Hedron Archive
Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.
{2}
Mechtitan Core
Artifact - Vehicle
{5}, Exile Mechtitan Core and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with Mechtitan Core except Mechtitan Core to the battlefield tapped under their owners' control.
Crew 2
2 /
4
{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
{1}{W}{W}
Slaughter the Strong
Sorcery
Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.
{2}
Smuggler's Copter
Artifact - Vehicle
Flying
Whenever Smuggler's Copter attacks or blocks, you may draw a card. If you do, discard a card.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
3 /
3
{2}{W}
Smuggler's Share
Enchantment
At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.
--
Construct
Token Artifact Creature - Construct
Colorless
This creature gets +1/+1 for each artifact you control.
0 /
0
--
Construct
Token Artifact Creature - Construct
Colorless
1 /
1
--
Copy
Token
Colorless
(This token can be used to represent a token that's a copy of a permanent.)
--
Elephant
Token Creature - Elephant
Green
3 /
3
--
Mechtitan
Token Legendary Artifact Creature - Construct
White, Blue, Black, Red, Green
Mechtitan is all colors.
Flying, vigilance, trample, lifelink, haste
10 /
10
--
Myr
Token Artifact Creature - Myr
Colorless
1 /
1
--
Pilot
Token Creature - Pilot
Colorless
This creature crews Vehicles as though its power were 2 greater.
1 /
1
--
Servo
Token Artifact Creature - Servo
Colorless
1 /
1
--
Spirit
Token Creature - Spirit
Colorless
2 /
2
--
Thopter
Token Artifact Creature - Thopter
Colorless
Flying
1 /
1
--
Treasure
Token Artifact - Treasure
Colorless
{T}, Sacrifice this artifact: Add one mana of any color.