Loxodon Warhammer

Equipped creature gets +3/+0 and has trample and lifelink.
Equip {3}

Door to Nothingness

This artifact enters tapped.
{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice this artifact: Target player loses the game.

Serum Tank

Whenever this artifact or another artifact enters, put a charge counter on this artifact.
{3}, {T}, Remove a charge counter from this artifact: Draw a card.

Seat of the Synod

Ancient Den

Cranial Plating

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

Goldmeadow

Whenever a land enters, that land's controller creates three 0/1 white Goat creature tokens.
Whenever chaos ensues, create a 0/1 white Goat creature token.

Keep Watch

Master of Etherium

Master of Etherium's power and toughness are each equal to the number of artifacts you control.
Other artifact creatures you control get +1/+1.

Undercity Reaches

Whenever a creature deals combat damage to a player, its controller may draw a card.
Whenever chaos ensues, you have no maximum hand size for the rest of the game.

Swamp

Thirst for Knowledge

Draw three cards. Then discard two cards unless you discard an artifact card.

Minamo

Whenever a player casts a spell, that player may draw a card.
Whenever chaos ensues, each player may return a blue card from their graveyard to their hand.

Leaden Myr

Copper Myr

Silver Myr

Nuisance Engine

{2}, {T}: Create a 0/1 colorless Pest artifact creature token.

Myr Enforcer

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

Pentad Prism

Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.)
Remove a charge counter from this artifact: Add one mana of any color.

Panopticon

When you planeswalk to Panopticon, draw a card.
At the beginning of your draw step, draw an additional card.
Whenever chaos ensues, draw a card.

Plains

Arcbound Slith

Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Broodstar

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.

Suntouched Myr

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)

Mountain

Vault of Whispers

Wizard Replica

Flying
{U}, Sacrifice this creature: Counter target spell unless its controller pays {2}.

Gold Myr

Darksteel Forge

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Etched Oracle

Sunburst (This enters with a +1/+1 counter on it for each color of mana spent to cast it.)
{1}, Remove four +1/+1 counters from this creature: Target player draws three cards.

Whiplash Trap

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.
Return two target creatures to their owners' hands.

Arcbound Crusher

Trample
Whenever another artifact enters, put a +1/+1 counter on this creature.
Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Lodestone Myr

Trample
Tap an untapped artifact you control: This creature gets +1/+1 until end of turn.

Bosh, Iron Golem

Trample
{3}{R}, Sacrifice an artifact: Bosh deals damage equal to the sacrificed artifact's mana value to any target.

Skeleton Shard

{3}, {T} or {B}, {T}: Return target artifact creature card from your graveyard to your hand.

Krosa

All creatures get +2/+2.
Whenever chaos ensues, you may add {W}{U}{B}{R}{G}.

Arsenal Thresher

As this creature enters, you may reveal any number of other artifact cards from your hand. This creature enters with a +1/+1 counter on it for each card revealed this way.

Sarcomite Myr

{2}: This creature gains flying until end of turn.
{2}, Sacrifice this creature: Draw a card.

Qumulox

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

Forest

Pentavus

This creature enters with five +1/+1 counters on it.
{1}, Remove a +1/+1 counter from this creature: Create a 1/1 colorless Pentavite artifact creature token with flying.
{1}, Sacrifice a Pentavite: Put a +1/+1 counter on this creature.

Great Furnace

The Hippodrome

All creatures get -5/-0.
Whenever chaos ensues, you may destroy target creature if its power is 0 or less.

Island

Fabricate

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Sludge Strider

Whenever another artifact you control enters or leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.

The Maelstrom

When you planeswalk to The Maelstrom and at the beginning of your upkeep, you may reveal the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you revealed a card but didn't put it onto the battlefield, put it on the bottom of your library.
Whenever chaos ensues, return target permanent card from your graveyard to the battlefield.

Sanctum of Serra

When you planeswalk away from Sanctum of Serra, destroy all nonland permanents.
Whenever chaos ensues, you may have your life total become 20.

Tree of Tales

The Eon Fog

Players skip their untap steps.
Whenever chaos ensues, untap all permanents you control.

Vedalken Engineer

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

Iron Myr

Bant

All creatures have exalted. (Whenever a creature attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents its controller controls.)
Whenever chaos ensues, put a divinity counter on target green, white, or blue creature. That creature has indestructible for as long as it has a divinity counter on it.