Enchant creature

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

{T}: Add {W}.

Metalcraft -- Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Metalcraft -- Auriok Edgewright has double strike as long as you control three or more artifacts.

Metalcraft -- As long as you control three or more artifacts, Auriok Sunchaser gets +2/+2 and has flying.

Flash

Flying

If an opponent would search a library, that player searches the top four cards of that library instead.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

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.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Metalcraft -- Carapace Forger gets +2/+2 as long as you control three or more artifacts.

Destroy target nonlegendary creature.

Other artifact creatures you control get +1/+1.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

Enchant land

Enchanted land is a 3/3 black Ooze creature. It's still a land.

When enchanted land dies, return that card to its owner's hand.

Counter target spell.

Court Homunculus gets +1/+1 as long as you control another artifact.

Equipped creature gets +1/+0 for each artifact you control.

{B}{B}: Attach Cranial Plating to target creature you control.

Equip {1}

Enchant land

Enchanted land is a 4/2 red Beast creature with trample. It's still a land.

When enchanted land dies, return that card to its owner's hand.

Darkmoss Bridge enters the battlefield tapped.

Indestructible

{T}: Add {B} or {G}.

Indestructible

{T}: Add {C}.

Tap target creature.

Metalcraft -- If you control three or more artifacts, exile that creature.

Drossforge Bridge enters the battlefield tapped.

Indestructible

{T}: Add {B} or {R}.

If an instant or sorcery card would be put into a graveyard from anywhere, exile it instead.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Enchant artifact

Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Flying

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card with lesser mana value. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

{T}: Add one mana of any color that a land an opponent controls could produce.

Flying

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

({T}: Add {G}.)

Artifact spells you cast cost {1} less to cast.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Galvanic Blast deals 2 damage to any target.

Metalcraft -- Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Haste

{1}: Gingerbrute can't be blocked this turn except by creatures with haste.

{2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

Goldmire Bridge enters the battlefield tapped.

Indestructible

{T}: Add {W} or {B}.

{T}: Add {R}.

When Ingenious Smith enters the battlefield, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever one or more artifacts enter the battlefield under your control, put a +1/+1 counter on Ingenious Smith. This ability triggers only once each turn.

({T}: Add {U}.)

{T}, Sacrifice Mishra's Bauble: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Mistvault Bridge enters the battlefield tapped.

Indestructible

{T}: Add {U} or {B}.

({T}: Add {R}.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token.

Enchant land

Enchanted land is a 4/4 Elemental creature with reach and haste. It's still a land.

When enchanted land dies, return that card to its owner's hand.

Flying

({T}: Add {W}.)

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Power Depot enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Modular 1

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Flying

Razortide Bridge enters the battlefield tapped.

Indestructible

{T}: Add {W} or {U}.

{T}: Target player exiles a card from their graveyard.

{1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

Rustvale Bridge enters the battlefield tapped.

Indestructible

{T}: Add {R} or {W}.

{T}: Add {U}.

As an additional cost to cast this spell, sacrifice an artifact.

Shrapnel Blast deals 5 damage to any target.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Signal Pest can't be blocked except by creatures with flying or reach.

Silverbluff Bridge enters the battlefield tapped.

Indestructible

{T}: Add {U} or {R}.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{1}, Sacrifice an artifact: Slag Strider deals 1 damage to any target.

Slagwoods Bridge enters the battlefield tapped.

Indestructible

{T}: Add {R} or {G}.

Affinity for artifacts

Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Flying

Flying

When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, put it into your hand, then shuffle.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Whenever an artifact enters the battlefield under your control, untap Steelfin Whale.

Metalcraft -- This spell costs {1} less to cast if you control three or more artifacts.

Counter target spell.

({T}: Add {B}.)

Tanglepool Bridge enters the battlefield tapped.

Indestructible

{T}: Add {G} or {U}.

{1}, Sacrifice a nontoken artifact: Create a 1/1 blue Thopter artifact creature token with flying. You gain 1 life.

Thornglint Bridge enters the battlefield tapped.

Indestructible

{T}: Add {G} or {W}.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Draw two cards.

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Flash

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{T}: Target creature gets +1/+0 until end of turn.

{T}: Add {G}.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

{T}, Sacrifice Urza's Bauble: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

({B/P} can be paid with either {B} or 2 life.)

Flying

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

{T}: Add {B}.

Sacrifice Welding Jar: Regenerate target artifact.

Enchant land

Enchanted land is a 2/2 blue Elemental creature with flying. It's still a land.

When enchanted land dies, return that card to its owner's hand.