Whenever you cast a spell, you get an amount of {E} (energy counters) equal to the amount of mana spent to cast that spell. {T}, Pay fifty {E}: Draw seven cards. You may cast any number of spells from your hand without paying their mana costs.

When this artifact enters, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.

{1}, {T}, Exile a creature card from your graveyard: Create a token that's a copy of the exiled card, except it's a 0/0 Construct artifact in addition to its other types and it has "This token gets +1/+1 for each Construct you control." It gains haste until end of turn. Activate only as a sorcery.

{5}, Exile this Vehicle and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with this Vehicle except this card to the battlefield tapped under their owners' control. Crew 2

{3}, {T}: Search your library for a basic, Sphere, or Locus land card, reveal it, put it into your hand, then shuffle. {3}: This artifact becomes a 9/9 Phyrexian Construct artifact creature, loses all abilities, and gains indestructible and toxic 9. Activate only if there are nine or more lands with different names among the basic, Sphere, and Locus lands you control.

At the beginning of your end step, put an influence counter on Palantír of Orthanc and scry 2. Then target opponent may have you draw a card. If that player doesn't, you mill X cards, where X is the number of influence counters on Palantír of Orthanc, and that player loses life equal to the total mana value of those cards.

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

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

Whenever a creature you control attacks, you get {E} (an energy counter). {T}, Pay six {E}: Create a 6/12 colorless Construct artifact creature token with trample. Activate only as a sorcery.

When The Mightstone and Weakstone enters, choose one — • Draw two cards. • Target creature gets -5/-5 until end of turn. {T}: Add {C}{C}. This mana can't be spent to cast nonartifact spells. (Melds with Urza, Lord Protector.)

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.

Flash This spell costs {1} less to cast for each attacking creature. Trample When this creature dies, create a 6/12 colorless Construct artifact creature token with trample.

Flying When this creature enters, exile up to two target artifacts and/or enchantments. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reveal it, put it into your hand, then shuffle.)

Vigilance When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped. Then if an opponent controls more lands than you, repeat this process once. If you search your library this way, shuffle.

Protector — Other artifact creatures you control have hexproof.

Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."

When this creature enters, put a +1/+1 counter on each of any number of target creatures and a charge counter on each of any number of target artifacts. {1}, {T}, Sacrifice another artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may pay {E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

This creature enters with X +1/+1 counters on it. When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature. {1}, {T}: Put a +1/+1 counter on this creature.

Flying This creature enters with six +1/+1 counters on it. {1}, Remove a +1/+1 counter from this creature: Put a flying counter on another target creature. {1}, Remove a counter from another creature you control: Put a +1/+1 counter on this creature.

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.

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

{T}, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

{W}: Exile target card from a graveyard. If it was a permanent card, put a +1/+1 counter on this permanent. Equipped creature gets +1/+1 for each +1/+1 counter on this Equipment. Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Vigilance At the beginning of your end step, untap each other artifact creature you control. {3}{W}, {T}: Create a 5/5 colorless Vehicle artifact token named Zeppelin with flying and crew 3. (It has "Tap any number of creatures you control with total power 3 or more: This token becomes an artifact creature until end of turn.")

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.

This creature enters with X +1/+1 counters on it. {4}: Put a +1/+1 counter on this creature. When this creature dies, draw a card for each +1/+1 counter on it.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Each other creature you control of the chosen type enters with an additional +1/+1 counter on it.

Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact's mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) Whenever you cast an artifact spell, put a +1/+1 counter on this creature.

At the beginning of your end step, if you control two or more other creatures, draw a card. {3}{W}: Create a 1/1 colorless Soldier artifact creature token. Unearth {2}{W}{W}

Whenever this creature or equipped creature attacks, you get {E} (an energy counter), then it gets +X/+X until end of turn, where X is the amount of {E} you have. Reconfigure—Pay {2} or {E}{E}{E}. (Pay {2} or {E}{E}{E}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Flying, vigilance, trample Whenever you attack, other creatures you control get +2/+2 and gain indestructible until end of turn. Unearth—Pay eight {E}. (Pay eight energy counters: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When this creature enters, if an opponent controls more lands than you, search your library for a Desert card, put it onto the battlefield tapped, then shuffle. Whenever one or more land cards are put into your graveyard from anywhere, create a 1/1 red, green, and white Sand Warrior creature token. This ability triggers only once each turn.

As long as an artifact creature you control is attacking, prevent all damage that would be dealt to Sanwell. Whenever Sanwell becomes tapped, exile the top six cards of your library. You may cast a Vehicle or artifact creature spell from among them. Then put the rest on the bottom of your library in a random order.

Flying, vigilance, trample, lifelink {5}, Exile this card from your graveyard: Choose target creature. Put four +1/+1 counters, a flying counter, a vigilance counter, a trample counter, and a lifelink counter on that creature. Activate only as a sorcery.

Modular 2 (This creature enters with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.) {T}, Sacrifice an artifact: Search your library for a Construct card, reveal it, put it into your hand, then shuffle.

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

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.

First strike, vigilance Concealed Position — When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

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

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

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.) Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)

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

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.

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Return target spell to its owner's hand. Draw a card.

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

When this land enters, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.

This land enters tapped. When this land enters, return a land you control to its owner's hand. If another Desert was returned this way, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) {T}: Add {C}{C}.

This land enters tapped. {T}: Add {C} for each Locus on the battlefield.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

When this land enters, you gain 1 life for each Locus on the battlefield. {T}: Add {C}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {C}{C}.

{T}: Add {C}. {T}, Sacrifice a creature: Add one mana of any color. {X}{2}, {T}, Sacrifice a Desert: Exile target creature card with mana value X from your graveyard. Create a token that's a copy of it, except it's a 4/4 black Zombie. Activate only as a sorcery.

{T}: Add {C}. {T}: Add one mana of any color. Activate only if this land entered this turn. {3}, {T}: Create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This token can't block." (Players dealt combat damage by it also get a poison counter.)

({T}: Add {W}.)

This land is every nonbasic land type. (Nonbasic land types include Cave, Desert, Gate, Lair, Locus, Mine, Power-Plant, Sphere, Tower, and Urza's.) {T}: Add {C}. {1}, {T}: Add one mana of any color.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

({T}: Add {W}.)

When this land enters, up to one target creature phases out. {T}: Add {C}. {1}, {T}: Add one mana of any color. {4}: Put this card from your hand onto the battlefield.

{T}: Add {C}{C}. Activate only if you control five or more lands.

This land enters tapped. {T}: Add {W}. {1}{W}, {T}, Sacrifice this land: Draw a card.

This land enters with two oil counters on it. {T}: Add {C}. {T}, Remove an oil counter from this land: Put an oil counter on target artifact or creature you control. Activate only as a sorcery.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {X}, {T}: This land becomes a copy of target nontoken artifact you control with mana value X.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells. Corrupted — {T}: Target 1/1 creature gets +2/+1 until end of turn. Activate only if an opponent has three or more poison counters.

{T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability.

{T}: Add {C}. {3}, {T}: Target player mills a card for each Locus you control.

+4: Target player exiles a card from their hand. −3: Exile target permanent. −14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn. Then put those cards onto the battlefield under your control.

This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield. Destroy all nonland permanents.

Choose up to one target artifact or creature card in your graveyard. You get {E}{E} (two energy counters). Then you may pay an amount of {E} equal to that card's mana value. If you do, return it from your graveyard to the battlefield. Cycling {2} ({2}, Discard this card: 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}.) Destroy all nonartifact creatures.