At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds {C} for each artifact they control.

Equipped creature gets +1/+0 for each artifact you control. {B}{B}: Attach Cranial Plating to target creature you control. Equip {1}

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Flying Other artifact creatures you control have flying. When Cyberdrive Awakener enters the battlefield, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

Flying {2}{U}: Until end of turn, target noncreature artifact you control becomes an artifact creature and gains flying. If it's not a Vehicle, it has base power and toughness 1/1 until end of turn. At the beginning of your upkeep, put a +1/+1 counter on each of up to three target noncreature artifacts.

If you would create a Clue, Food, or Treasure token, instead create one of each.

First strike, vigilance Akiri, Line-Slinger gets +1/+0 for each artifact you control. Partner (You can have two commanders if both have partner.)

Double strike Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Other artifacts you control have ward {2}. Bronze Guardian's power is equal to the number of artifacts you control.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying Broodstar's power and toughness are each equal to the number of artifacts you control.

Indestructible Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control. Darksteel Juggernaut attacks each combat if able.

Whenever Fathom Fleet Swordjack attacks, it deals damage to the player or planeswalker it's attacking equal to the number of artifacts you control. Encore {5}{R} ({5}{R}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Menace When God-Eternal Bontu enters the battlefield, sacrifice any number of other permanents, then draw that many cards. When God-Eternal Bontu dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.

Flying, haste {1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying At the beginning of your end step, each opponent discards a card. {1}{B}, Sacrifice an artifact: Target creature gets -2/-2 until end of turn.

Affinity for tokens (This spell costs {1} less to cast for each token you control.) Whenever a token enters the battlefield under your control, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

{T}, Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library. Put two of them into your hand and the other into your graveyard. Partner (You can have two commanders if both have partner.)

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.

{3}{U}, {T}, Tap X untapped artifacts you control: Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

Whenever an artifact enters the battlefield under your control, you may discard a card. If you do, draw a card.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

Flying As long as you control four or more artifacts, Shimmer Dragon has hexproof. Tap two untapped artifacts you control: Draw a card.

Enchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Tap two untapped artifacts you control: Ghirapur Aether Grid deals 1 damage to any target.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.

+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."

Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw three cards.

Deadeye Plunderers gets +1/+1 for each artifact you control. {2}{U}{B}: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Whenever an artifact is put into a graveyard from the battlefield, you may gain 5 life.

Feedback Bolt deals damage to target player or planeswalker equal to the number of artifacts you control.

Flying Filigree Attendant's power is equal to the number of artifacts you control.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Ward {4} Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on Kappa Cannoneer and it can't be blocked this turn.

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.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw X cards.