When this artifact enters, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land an opponent controls enters, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

Spells you control can't be countered. At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

{1}, Sacrifice a permanent: You gain 1 life.

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

{3}, {T}: Double the amount of each type of unspent mana you have.

{T}: Add {W}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. {2}{W}, {T}, Exile one or more other artifacts you control with total mana value X: Return target artifact card with mana value X or less from your graveyard to the battlefield. Activate only as a sorcery.

Colorless creatures you control get +2/+2. Whenever you tap a permanent for {C}, add an additional {C}. Whenever you cast a colorless spell, you gain 2 life.

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

When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Add one mana of any color. {2}, {T}, Sacrifice this artifact: You gain 3 life.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) {1}, {T}, Sacrifice an artifact: Return target artifact you control to its owner's hand.

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

{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.)

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

{1}, {T}, Sacrifice this artifact: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

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.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {T}: Add {C}. {T}, Sacrifice this artifact: You gain 3 life and draw a card. Activate only if you have the city's blessing.

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

When this artifact enters, draw a card. {W}, {T}, Sacrifice this artifact: You gain 3 life.

{T}: Add {C}. You gain 1 life.

{1}, {T}, Discard a card: You gain 4 life. {1}, {T}, Pay 1 life: Create a 0/1 white Goat creature token. {1}, {T}, Sacrifice a creature: Return target artifact card from your graveyard to your hand. {1}, {T}, Sacrifice an artifact: Draw a card.

{T}: Add {C}. {7}, {T}, Sacrifice this artifact: Destroy target permanent.

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

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

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.)

First strike, protection from multicolored At the beginning of your upkeep, sacrifice this creature unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card.

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.

Flying Fabricator Claw Array — Whenever another nontoken artifact creature or Vehicle you control enters, draw a card.

Vigilance Exile Cannon — When this creature enters from a graveyard, exile up to one target nonland permanent. Unearth {7} ({7}: 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, you gain 2 life. When this creature leaves the battlefield, draw a card.

Trample When you cast this spell and whenever this creature attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token. Unearth {8}

Prototype {2}{W} — 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Double strike When this creature enters, draw a card.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Indestructible (Damage and effects that say "destroy" don't destroy this creature.) If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

Whenever an artifact enters, you may gain 1 life.

When this creature enters, destroy target nonland permanent an opponent controls.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

When this creature dies, return another target artifact card from your graveyard to your hand.

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.

Flying You can't lose the game and your opponents can't win the game.

Defender When this creature enters, target player mills three cards. (They put the top three cards of their library into their graveyard.) {3}: Put target card from a graveyard on the bottom of its owner's library.

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.

Prototype {1}{W}{W} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying At the beginning of combat on your turn, target creature you control gains your choice of flying, vigilance, or lifelink until end of turn.

You gain life equal to target creature's power. The next time that creature would deal damage this turn, prevent that damage.

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

Exile target nonwhite attacking creature. You gain life equal to its toughness.

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

{T}: Add {W}.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

{T}: Add {C}. {3}{W}, {T}, Sacrifice this land: You gain 2 life for each creature you control.

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

When this land enters, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

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

When this land enters, scry 1. {T}: Add {C}. {1}, {T}: Add one mana of any color.

Indestructible {T}: Add {C}.

{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.

{T}: Add {C}. {3}: Return this card from your graveyard to the battlefield tapped.

{T}: Add {C}. {1}, {T}, Sacrifice this land: You may cast spells this turn as though they had flash.

{T}: Add {C}. {3}, {T}, Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

This land enters tapped. {T}: Add {W}. {4}{W}, {T}, Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

{T}: Add {C}. {T}, Sacrifice a creature: You gain 1 life.

{T}: Add {C}. {4}, {T}: Remove target attacking or blocking creature from combat.

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

{T}: Add {C}. {2}, {T}: Each player draws a card.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

{T}: Add {C}. {1}, {T}, Sacrifice an artifact: You gain 1 life.

({T}: Add {W}.)

When this land enters, you gain 2 life. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{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.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Destroy target attacking creature. You gain life equal to its power.

Choose a number between 0 and 13. Each player sacrifices that many creatures of their choice.

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.

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy. Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)