{T}: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts. Friends forever (You can have two commanders if both have friends forever.)

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

{1}, {T}: Add {W}{U}.

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 that a land an opponent controls could produce.

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

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Exile X target creatures, then investigate X times. Return the exiled cards to the battlefield tapped under their owners' control at the beginning of the next end step. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

At the beginning of your end step, exile up to one target artifact or creature you control, then return that card to the battlefield under its owner's control.

Counter target spell. Investigate three times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Exile target permanent with mana value 4 or greater.

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

This spell can't be countered. Counter target noncreature spell.

Destroy target creature. You lose 2 life.

Counter target spell. Its controller can't cast spells this turn.

Flying, deathtouch When this creature enters, draw a card.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

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

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.

The first activated ability of an artifact you activate each turn costs {2} less to activate. +1: Draw two cards. Then discard two cards unless you discard an artifact card. −2: Target artifact becomes an artifact creature. If it isn't a Vehicle, it has base power and toughness 4/4. −6: You get an emblem with "Whenever an artifact you control becomes tapped, draw a card."

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

Whenever one or more artifact creatures you control die, draw a card. This ability triggers only once each turn. {2}{W}, {T}: Create a 1/1 colorless Thopter artifact creature token with flying.

If you would create a Clue, Food, or Treasure token, instead create one of each.

Whenever another creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a token, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Flying Whenever you investigate for the first time each turn, investigate an additional time.

Flying When this creature enters, investigate X times, where X is the number of opponents you have. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying.

Vigilance Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance. Hunt for Heresy — {1}, {T}: Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Commander creatures you own have "Whenever an artifact or creature you control is put into a graveyard from the battlefield, each opponent loses 1 life."

Flying Other artifact creatures you control have flying. When this creature enters, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

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.

Whenever a token you control leaves the battlefield, each opponent loses 1 life and you gain 1 life.

Target noncreature artifact you control becomes a 0/0 artifact creature. Put four +1/+1 counters on each artifact that became a creature this way. Overload {4}{U}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}, Sacrifice this artifact: Exile target player's graveyard. When this artifact is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

{T}: Add {W}.

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

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

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

This land enters tapped. Indestructible {T}: Add {W} or {B}.

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 {U}.)

This land enters tapped. Indestructible {T}: Add {U} or {B}.

({T}: Add {W}.)

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {W}, {U}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Add {U}.

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

({T}: Add {B}.)

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.