Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

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

Sacrifice a creature: Add {C}{C}.

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

As this artifact enters, choose an opponent and a card name other than a basic land card name. The chosen player reveals each card they draw. When the chosen player draws a card with the chosen name, sacrifice this artifact. If you do, this artifact deals 10 damage to that player.

Prevent all damage that would be dealt to creatures.

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

{T}: Add three mana of any one color.

This artifact doesn't untap during your untap step. {T}: Add {C}{C}{C}. {4}: Untap this artifact.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

{T}, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

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.

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

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

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

When this artifact enters, destroy target permanent. When this artifact is put into a graveyard from the battlefield, return it to its owner's hand.

Spells you cast cost {1} less to cast.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

{T}: Add {C}. {T}: Add {W} or {U}. This artifact deals 1 damage to you.

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.

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

At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells.

At the beginning of your upkeep, put a time counter on this artifact. {1}, {T}, Sacrifice this artifact: This artifact deals damage equal to the number of time counters on it to each creature and each player.

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

{W}{W}, {T}: Return target artifact card from your graveyard to your hand.

Double strike Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Other artifacts you control have ward {2}. Bronze Guardian's power is equal to the number of artifacts you control.

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

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

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

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.

Prevent all combat damage that would be dealt to attacking artifact creatures you control. Whenever one or more artifact creatures you control enter, draw a card. This ability triggers only once each turn.

{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.

{1}{U}: Look at the top card of target player's library.

Flying As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities your opponents control.) Tap two untapped artifacts you control: Draw a card.

Players play with the top card of their libraries revealed.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

At the beginning of your upkeep, you may look at the top card of target opponent's library. If you do, you may put that card on the bottom of that player's library.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Your opponents play with their hands revealed.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Return target artifact or enchantment card from your graveyard to your hand.

Put target artifact or enchantment on top of its owner's library.

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

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

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

Look at target player's hand, the top card of that player's library, and any face-down creatures they control. Look at the top four cards of your library, then put them back in any order.

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its owner's library.

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

{T}: Add {W}.

{T}: Add {C}{C}. This land deals 2 damage to you.

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

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

Indestructible {T}: Add {C}.

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

({T}: Add {U}.)

({T}: Add {W}.)

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

{T}: Add {U}.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Return target artifact card from your graveyard to the battlefield.

Look at the top five cards of target opponent's library. Put one of those cards into that player's graveyard and the rest on top of their library in any order.

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

Look at the top card of target player's library. You may put that card into their graveyard.

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.")

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle. Draw a card at the beginning of the next turn's upkeep.

Return target artifact card from your graveyard to your hand.

This spell can't be countered. Destroy all creatures.