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.

{T}: Add one mana of any color.

{T}: Add one mana of any color in your commander's color identity.

Creature tokens you control have haste.

At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add {G}.

Counter target spell.

Choose one or both --

• Exile target artifact.

• Exile target enchantment.

Creatures you control have "{T}: Add one mana of any color."

{T}: Add {C}.

{5}, {T}: Add {W}{U}{B}{R}{G}.

Return up to X target artifact and/or non-Aura enchantment cards each with mana value X or less from your graveyard to the battlefield. If X is 6 or more, those permanents are 4/4 creatures in addition to their other types.

Tap target creature.

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

{1}{U}: Return target artifact you control to its owner's hand.

{3}, {T}: Copy target artifact spell you control. (The copy becomes a token.)

You may look at the top card of your library any time.

You may cast creature spells from the top of your library.

Creatures you control have "{T}: Add one mana of any color."

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

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

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

({T}: Add {G}.)

({T}: Add {G}.)

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

Frontier Bivouac enters the battlefield tapped.

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

Battalion -- Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn.

Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}.

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Tap an untapped creature you control: Tap target artifact or creature.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid.

{T}: Add one mana of any color.

{T}: Add {W}.

Choose one --

• Destroy X target artifacts and/or enchantments.

• Target player gains twice X life.

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

{T}: Add {R}.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.

{5}{G}{U}: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

{T}: Add {B}.

Trample

Tap an untapped artifact you control: Lodestone Myr gets +1/+1 until end of turn.

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.

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

As Mirrodin Besieged enters the battlefield, choose Mirran or Phyrexian.

• Mirran -- Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token.

• Phyrexian -- At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Mistvault Bridge enters the battlefield tapped.

Indestructible

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

If one or more tokens would be created under your control, twice that many of those tokens are created instead.

{1}{W/P}{W/P}, Sacrifice two other artifacts and/or creatures: Put an indestructible counter on Mondrak, Glory Dominus. ({W/P} can be paid with either {W} or 2 life.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

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.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

{T}, Pay 2 life: Add one mana of any color.

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

{1}, {T}: Untap each other Myr you control.

When Myr Kinsmith enters the battlefield, you may search your library for a Myr card, reveal it, put it into your hand, then shuffle.

{T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr.

{3}, {T}: Return target Myr card from your graveyard to your hand.

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

{T}: Create a 1/1 colorless Myr artifact creature token.

{T}, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle.

Imprint -- {T}: Exile target artifact card from a graveyard.

Myr Welder has all activated abilities of all cards exiled with it.

First strike (This creature deals combat damage before creatures without first strike.)

Whenever Odric, Master Tactician and at least three other creatures attack, you choose which creatures block this combat and how those creatures block.

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.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

{T}: Add {C}{C}.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

({T}: Add {W}.)

({T}: Add {W}.)

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

Choose a creature type. Return all creatures that aren't of the chosen type to their owners' hands.

({T}: Add {U}, {R}, or {W}.)

Raugrin Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Add one mana of any color.

Tap an untapped legendary creature you control: Add one mana of any color.

Rustvale Bridge enters the battlefield tapped.

Indestructible

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

Other tapped creatures you control have deathtouch.

Other untapped creatures you control have hexproof.

{1}, {T}: Untap another target creature or land you control.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

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

Flying

As long as you control four or more artifacts, Shimmer Dragon has hexproof.

Tap two untapped artifacts you control: Draw a card.

Flash

You may cast artifact spells as though they had flash.

{T}: Add {U}.

Slagwoods Bridge enters the battlefield tapped.

Indestructible

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

{T}: Add {C}{C}.

{T}: Add {C}.

{T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

({T}: Add {B}.)

({T}: Add {B}.)

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

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

Exile target creature. Its controller gains life equal to its power.

Tanglepool Bridge enters the battlefield tapped.

Indestructible

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

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

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

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Look at the top five 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.

III -- Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{X}, {T}: The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.

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

Draw two cards.

Defender, reach

Creatures you control have haste.

Changeling (This card is every creature type.)

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.

Untap all artifacts you control during each other player's untap step.

Creatures you control have haste.

Creatures your opponents control enter the battlefield tapped.

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token.

At the beginning of combat on your turn, untap each Myr you control.

{W}{U}{B}{R}{G}, {T}: Put three +1/+1 counters on each Myr you control. Activate only during your turn.

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

Artifact creatures you control have menace.

At the beginning of your end step, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."

Tap an untapped artifact you control: Add {U}.

{5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Other creatures you control have intimidate.

Whenever Vela the Night-Clad or another creature you control leaves the battlefield, each opponent loses 1 life.

Vivid Crag enters the battlefield tapped with two charge counters on it.

{T}: Add {R}.

{T}, Remove a charge counter from Vivid Crag: Add one mana of any color.

Vivid Creek enters the battlefield tapped with two charge counters on it.

{T}: Add {U}.

{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Return all artifact cards from your graveyard to the battlefield. They gain haste until end of turn.