Commander creatures you own have "{2}, Sacrifice an artifact: Put a +1/+1 counter on this creature and draw a card."

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

{U}, Sacrifice Implement of Examination: Draw a card. When Implement of Examination is put into a graveyard from the battlefield, draw a card.

{2}, {T}: Draw a card, then discard a card.

{T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

Flying Whenever a nontoken artifact enters the battlefield under your control, you may pay {1}{U}. If you do, create a token that's a copy of that artifact.

Choose one or both — • Create a token that's a copy of target artifact. • Create a token that's a copy of target creature, except it's an artifact in addition to its other types.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards. Lhurgoyf creatures you control have trample.

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.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

{T}: Add one mana of any color. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Indestructible {T}: Add {C}.

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

Fertilid enters the battlefield with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

({T}: Add {G}.)

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

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Moss Diamond enters the battlefield tapped. {T}: Add {G}.

{T}: Add one mana of any color. {1}, {T}, Tap another untapped artifact you control: Draw a card, then discard a card.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {U}.

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.

Simic Growth Chamber enters the battlefield tapped. When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{U}.

Simic Guildgate enters the battlefield tapped. {T}: Add {G} or {U}.

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

Sky Diamond enters the battlefield tapped. {T}: Add {U}.

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

Thornwood Falls enters the battlefield tapped. When Thornwood Falls enters the battlefield, you gain 1 life. {T}: Add {G} or {U}.

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

{T}: Add {G}.

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Exile up to three target enchantments. Cycling {2} ({2}, Discard this card: Draw a card.)

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn.

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.)

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Regenerate target creature. Draw a card.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{2}: Put target card from your graveyard on the bottom of your library.

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.)

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

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

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.

Whenever you cast a noncreature spell, put a lore counter on Scroll of the Masters. {3}, {T}: Target creature you control gets +1/+1 until end of turn for each lore counter on Scroll of the Masters.

Flying Tetravus enters the battlefield with three +1/+1 counters on it. At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

Whenever equipped creature attacks, defending player reveals cards from the top of their library until they reveal a land card. The creature gets +1/+0 until end of turn for each card revealed this way. That player puts the revealed cards into their graveyard. Equip {2}

Flying Triskelavus enters the battlefield with three +1/+1 counters on it. {1}, Remove a +1/+1 counter from Triskelavus: Create a 1/1 colorless Triskelavite artifact creature token with flying. It has "Sacrifice this creature: This creature deals 1 damage to any target."

When Cathodion dies, add {C}{C}{C}.

When Circuit Mender enters the battlefield, you gain 2 life. When Circuit Mender leaves the battlefield, draw a card.

When Filigree Familiar enters the battlefield, you gain 2 life. When Filigree Familiar dies, draw a card.

Iron Apprentice enters the battlefield with a +1/+1 counter on it. When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

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

When Nimblewright Schematic enters the battlefield or is put into a graveyard from the battlefield, create a 1/1 colorless Construct artifact creature token.

When Servo Schematic enters the battlefield or is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Whenever Slagstone Refinery or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.