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.

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.

Sacrifice an artifact: Megatog gets +3/+3 and gains trample until end of turn.

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy. At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

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

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

As Kindred Discovery enters the battlefield, choose a creature type. Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

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

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.

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

As Titan of Littjara enters the battlefield, choose a creature type. Titan of Littjara is the chosen type in addition to its other types. Whenever Titan of Littjara enters the battlefield or attacks, you may draw a card for each other creature you control that shares a creature type with it. If you do, discard a card.

{T}: Add {W}.

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

Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.

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

{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}.

Drossforge Bridge enters the battlefield tapped. Indestructible {T}: Add {B} or {R}.

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

({T}: Add {G}.)

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.

Goldmire Bridge enters the battlefield tapped. Indestructible {T}: Add {W} or {B}.

{T}: Add {R}.

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U}.)

Mistvault Bridge enters the battlefield tapped. Indestructible {T}: Add {U} or {B}.

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.)

({T}: Add {W}.)

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}.

Silverbluff Bridge enters the battlefield tapped. Indestructible {T}: Add {U} or {R}.

Slagwoods Bridge enters the battlefield tapped. Indestructible {T}: Add {R} or {G}.

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

Tanglepool Bridge enters the battlefield tapped. Indestructible {T}: Add {G} or {U}.

{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.

Thornglint Bridge enters the battlefield tapped. Indestructible {T}: Add {G} or {W}.

{T}: Add {G}.

As Adaptive Automaton enters the battlefield, choose a creature type. Adaptive Automaton is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

{T}: Add one mana of any color.

Changeling (This card is every creature type.) As Bloodline Pretender enters the battlefield, choose a creature type. Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

{T}: Add {G}.

{T}: Add {W}.

Flying, vigilance

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

{T}: Add {R}.

{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}.

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

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.

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.

Imprint — {T}: Exile target artifact card from a graveyard. Myr Welder has all activated abilities of all cards exiled with it.

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

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}.

Flash You may cast artifact spells as though they had flash.

{T}: Add {U}.

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

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."

Creatures you control have vigilance and "{T}: Add one mana of any color. Spend this mana only to cast a creature spell." Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.

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

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

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

{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.

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

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.

Changeling (This card is every creature type.) Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Exile all creatures except those that share a creature type with a creature that convoked this spell, all artifacts, and all enchantments.

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.

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.

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.

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.

Tap two untapped artifacts you control: Untap target artifact.

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

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

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) If one or more tokens would be created under your control, twice that many of those tokens are created instead.

You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control.

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.

Destroy all creatures with no counters on them.

Door to Nothingness enters the battlefield tapped. {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game.

Vigilance If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.

Flying The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix, Fractal Bloom and create that many tokens that are copies of that creature.

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice Idol of Oblivion: Create a 10/10 colorless Eldrazi creature token.

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.

{R}: All creatures gain trample and haste until end of turn. {1}{G}: Put a +1/+1 counter on target creature. {2}{W}: Target player gains 5 life. {3}{U}: Target player draws a card. {4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.

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.

Changeling (This card is every creature type.) Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

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

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

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.

If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

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

Whenever a permanent you control leaves the battlefield, if it had counters on it, put those counters on target permanent you control. {4}{W}: Move any number of counters from target permanent you control to another target permanent you control.

Ward {2} As Roaming Throne enters the battlefield, choose a creature type. Roaming Throne is the chosen type in addition to its other types. If a triggered ability of another creature you control of the chosen type triggers, it triggers an additional time.

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

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

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.

Each player sacrifices all permanents they control that are one or more colors.

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

Choose a creature type. Creatures you control of the chosen type get +1/+0 and gain indestructible until end of turn.

(Gain the next level as a sorcery to add its ability.) The first artifact spell you cast each turn costs {1} less to cast. {1}{U}: Level 2 When this Class becomes level 2, reveal cards from the top of your library until you reveal an artifact card. Put that card into your hand and the rest on the bottom of your library in a random order. {5}{U}: Level 3 At the beginning of your end step, create a token that's a copy of target artifact you control.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) At the beginning of each end step, if you created a token this turn, draw a card.

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

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

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

Counter target spell.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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

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.)

Delete deals X damage to each nonartifact creature and each player.

As Door of Destinies enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies. Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Changeling (This card is every creature type.) Creatures target player controls get -2/-0 and lose all creature types until end of turn.

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

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

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

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.

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

Juggernauts you control attack each combat if able. Juggernauts you control can't be blocked by Walls. Other creatures you control have base power and toughness 5/3 and are Juggernauts in addition to their other creature types.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card. −1: Untap target permanent.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

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.")

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.)

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.)

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

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.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control. (Auras with nothing to enchant remain in graveyards.)

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.)

{2}, Sacrifice Parcel Myr: Draw a card.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Perilous Myr dies, it deals 2 damage to any target.

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

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

As Reflections of Littjara enters the battlefield, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

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.

Imprint — When Semblance Anvil enters the battlefield, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost {2} less to cast.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

When Spelunking enters the battlefield, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life. Lands you control enter the battlefield untapped.

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

Artifact creatures you control get +2/+2.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Destroy all nonartifact creatures.

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

Affinity for artifacts Flying When Thought Monitor enters the battlefield, draw two cards.

{T}, Sacrifice five artifacts: Take an extra turn after this one.

{1}, {T}, Discard a card: You gain 4 life. {1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token. {1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand. {1}, {T}, Sacrifice an artifact: 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}.) Draw X cards.

As Vanquisher's Banner enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. Whenever you cast a creature spell of the chosen type, 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}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.