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 {W}.

Arcane Sanctum enters the battlefield tapped.

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

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

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.

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

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

{T}: Add one mana of any color.

Tap two untapped artifacts you control: Untap target artifact.

{T}: Add {G}.

Counter target spell.

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

When Crystal Grotto enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {C}.

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

{T}: Add {C}.

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

Darkmoss Bridge enters the battlefield tapped.

Indestructible

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

Indestructible

{T}: Add {C}.

Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Choose one --

• Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard.

• Counter target activated or triggered ability.

Counter target instant or sorcery spell unless its controller pays {1}.

Draw a card.

As an additional cost to cast this spell, tap an untapped artifact you control or pay {1}.

Counter target spell.

Choose a creature type. Draw a card for each permanent you control of that type.

Drossforge Bridge enters the battlefield tapped.

Indestructible

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

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."

This spell costs {1} less to cast for each artifact you control.

When Emry, Lurker of the Loch enters the battlefield, mill four cards.

{T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Flying

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

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

Colorless creatures you control get +2/+2.

Whenever you tap a permanent for {C}, add an additional {C}.

Whenever you cast a colorless spell, you gain 2 life.

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

Whenever a nontoken creature enters the battlefield, if Genesis Chamber is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

{T}: Add {W}.

Goldmire Bridge enters the battlefield tapped.

Indestructible

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

{T}: Add {R}.

{T}: Add {C}.

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

{4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

Flying, vigilance

{T}: Add {R}.

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead.

{T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

{2}{W}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)

Whenever one or more +1/+1 counters are put on Knighted Myr, it gains double strike until end of turn.

{T}: Add {B}.

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.

Whenever you cast an artifact creature spell, it gains sunburst. (It enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

At the beginning of your end step, if there are thirty or more counters among artifacts and creatures you control, Lux Artillery deals 10 damage to each opponent.

{T}: Put a charge counter on Lux Cannon.

{T}, Remove three charge counters from Lux Cannon: Destroy target permanent.

Choose target artifact creature you control. For each creature chosen this way, create a token that's a copy of it.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.

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.

Mistvault Bridge enters the battlefield tapped.

Indestructible

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

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.

When Myr Custodian enters the battlefield, scry 2. Then each opponent may scry 1. (To scry X, that player looks at the top X cards of their library, then put any number of them on the bottom and the rest on top in any order.)

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

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

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

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Myr creatures get +1/+1.

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

When Myr Moonvessel dies, add {C}.

{3}, {T}: Create a token that's a copy of Myr Propagator.

At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype.

Myr Prototype can't attack or block unless you pay {1} for each +1/+1 counter on it.

{3}: Switch Myr Quadropod's power and toughness until end of turn.

{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.

Sacrifice Myr Scrapling: Put a +1/+1 counter on target creature.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Spend only mana produced by creatures to cast this spell.

{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.

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

Opulent Palace enters the battlefield tapped.

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

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.

{1}, {T}, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token.

When Origin Spellbomb is put into a graveyard from the battlefield, you may pay {W}. If you do, draw a card.

If one or more +1/+1 counters would be put on an artifact or creature you control, that many plus one +1/+1 counters are put on it instead.

{1}{G}, {T}: Put a +1/+1 counter on target artifact or creature you control. Activate only as a sorcery.

Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature

At the beginning of your upkeep, enchanted creature's controller sacrifices it and you create a 1/1 colorless Phyrexian Myr artifact creature token.

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

Razortide Bridge enters the battlefield tapped.

Indestructible

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

Rustvale Bridge enters the battlefield tapped.

Indestructible

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

Seaside Citadel enters the battlefield tapped.

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

{T}: Add {U}.

Flash

You may cast artifact spells as though they had flash.

At the beginning of your upkeep or whenever you cast a white spell, put a charge counter on Shrine of Loyal Legions.

{3}, {T}, Sacrifice Shrine of Loyal Legions: Create a 1/1 colorless Phyrexian Myr artifact creature token for each charge counter on Shrine of Loyal Legions.

{T}: Add {C}.

{T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

{T}: Add {U}.

Silverbluff Bridge enters the battlefield tapped.

Indestructible

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

Slagwoods Bridge enters the battlefield tapped.

Indestructible

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

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

I, II -- Until your next turn, creatures you control gain "{T}: Add one mana of any color."

III -- Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

{T}: Add one mana of any color.

{1}, {T}: Untap another target artifact.

{2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{3}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}.

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

{T}: Put a +1/+1 counter on each artifact creature you control.

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

Counter target spell.

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

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

Whenever a creature with power equal to its toughness enters the battlefield under your control, you may pay {1}. If you do, draw a card.

Tanglepool Bridge enters the battlefield tapped.

Indestructible

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

Destroy all nonartifact creatures.

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.

{T}: Add {G}.

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

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.

{T}: Add {B}.