Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.) 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.

Flash Flying Whenever an artifact creature you control deals combat damage to a player, draw a card.

At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life.

{4}, {T}, Discard your hand: Draw a card for each creature you control.

Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card. {2}: Put target card from your graveyard on the bottom of your library.

Other blue creatures you control have "Whenever this creature becomes tapped, draw a card, then discard a card." Other artifact creatures you control get +1/+1. {U/P}: Until end of turn, target creature you control becomes a blue artifact in addition to its other colors and types. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.)

Vigilance {1}, {T}: Draw a card, then discard a card. Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

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

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

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

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

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Karn's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

Metalcraft — {T}: Add one mana of any color. Activate only if you control three or more artifacts.

Flying Spells you cast from anywhere other than your hand cost {2} less to cast. Foretell {4}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

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

{4}, Sacrifice this creature: You may put an artifact card from your hand onto the battlefield.

You may look at the top card of your library any time. You may play historic lands and cast historic spells from the top of your library. (Artifacts, legendaries, and Sagas are historic.) {T}: Add {U}.

Sacrifice an artifact: Add {C}{C}.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Whenever a permanent becomes untapped, that permanent's controller mills a card.

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.

{T}: Mill two cards. {2}, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

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

Equipped creature gets +1/+1 and has trample and lifelink. {1}: Permanents your opponents control lose hexproof and indestructible until end of turn. Equip {2}

When this artifact enters, scry 2. Whenever another artifact you control with mana value 3 or greater enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar. {2}, {T}: Double the number of time counters on The Millennium Calendar. When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

{U}, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

Nonlegendary artifact creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card.

You may have this Vehicle enter as a copy of a creature an opponent controls, except it's a Vehicle artifact with crew 3 and it loses all other card types. Crew 3

Flying

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1 and has vigilance and lifelink. Equip {5}

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

Equipped creature gets +1/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Artifact creature spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.)

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

({T}: Add {U}.)

You have no maximum hand size. {T}: Add {C}.

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.

Flying Whenever you cast an artifact spell, you may untap target creature.

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.)

{T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.

Nonland permanents you control are artifacts in addition to their other types. The same is true for permanent spells you control and nonland permanent cards you own that aren't on the battlefield.

{T}: Untap another target permanent. {T}: Untap two other target legendary creatures.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Ward {4} Whenever this creature or another artifact you control enters, put a +1/+1 counter on this creature and it can't be blocked this turn.

Choose one — • Create two 3/3 colorless Golem artifact creature tokens. • Choose target artifact you control. Each other artifact you control becomes a copy of that artifact until end of turn.

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

As this enchantment enters, 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.

Whenever Neerdiv becomes tapped, target player mills cards equal to its power. Whenever you cast a spell from your graveyard or activate an ability of a card in your graveyard, draw a card and put a +1/+1 counter on Neerdiv.