Cards that reward an artifact-heavy board: cost reduction, card draw per artifact, and the finishers that scale with how much metal you control.
85%Storm-Kiln Artist Creature — Dwarf ShamanThis creature gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create $1.61
84%Mox Opal Legendary ArtifactMetalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.$241.08
86%Inventors' Fair Legendary LandAt the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Invent$19.39
83%Dispatch InstantTap target creature. Metalcraft — If you control three or more artifacts, exile that creature.$0.33
85%Puresteel Paladin Creature — Human KnightWhenever an Equipment you control enters, you may draw a card. Metalcraft — Equipment you control have equip {0} as long as you co$2.24
91%Emry, Lurker of the Loch Legendary Creature — Merfolk WizardAffinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Emry enters, mill four cards. {T}: $0.57
83%All That Glitters Enchantment — AuraEnchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.$0.85
89%Thought Monitor Artifact Creature — ConstructAffinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, draw t$0.28
85%Hellkite Tyrant Creature — DragonFlying, trample Whenever this creature deals combat damage to a player, gain control of all artifacts that player controls. At the$4.27
84%Urza, Lord High Artificer Legendary Creature — Human ArtificerWhen Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you contr$16.50
83%Steel Overseer Artifact Creature — Construct{T}: Put a +1/+1 counter on each artifact creature you control.$0.29
83%Sai, Master Thopterist Legendary Creature — Human ArtificerWhenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two art$0.71
82%Thopter Spy Network EnchantmentAt the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying. W$0.45
87%Thoughtcast SorceryAffinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.$3.37
85%Mechanized Production Enchantment — AuraEnchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you cont$2.92
82%Nettlecyst Artifact — EquipmentLiving weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped cre$4.23
87%Tezzeret, Cruel Captain Legendary Planeswalker — TezzeretWhenever an artifact you control enters, put a loyalty counter on Tezzeret. 0: Untap target artifact or creature. If it's an artif$21.17
83%Krark-Clan Ironworks ArtifactSacrifice an artifact: Add {C}{C}.$16.71
80%Marionette Master Creature — Human ArtificerFabricate 3 (When this creature enters, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature token$3.10
90%Metalwork Colossus Artifact Creature — ConstructThis spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control. Sacrifice two artifacts: $0.36
88%Simulacrum Synthesizer ArtifactWhen this artifact enters, scry 2. Whenever another artifact you control with mana value 3 or greater enters, create a 0/0 colorle$25.11
82%Tezzeret the Seeker Legendary Planeswalker — Tezzeret+1: Untap up to two target artifacts. −X: Search your library for an artifact card with mana value X or less, put it onto the batt$25.64
82%Ingenious Artillerist Creature — Human ArtificerWhenever one or more artifacts you control enter, this creature deals that much damage to each opponent.$2.48
80%Uthros Research Craft Artifact — SpacecraftStation (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. I$1.27
82%Bronze Guardian Artifact Creature — GolemDouble strike Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless th$1.49
90%Adaptive Omnitool Artifact — EquipmentEquipped creature gets +1/+1 for each artifact you control. Whenever equipped creature attacks, look at the top six cards of your
91%Master of Etherium Artifact Creature — Vedalken WizardMaster of Etherium's power and toughness are each equal to the number of artifacts you control. Other artifact creatures you contr$0.71
88%Karn, Legacy Reforged Legendary Artifact Creature — GolemKarn's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep,$19.32
83%Kuldotha Forgemaster Artifact Creature — Construct{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.$11.99
90%Shimmer Dragon Creature — DragonFlying As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities y$0.35
Prices and legality come from Scryfall. Every card here was scored by the same search that runs when you type a question.
