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

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

Nonland permanents you control are artifacts in addition to their other types. The same is true for permanent spells you control and nonland permanent cards you own that aren't on the battlefield.

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

Planeswalkers you control have "[0]: Proliferate" and "[−12]: Take an extra turn after this one." Whenever you cast a noncreature spell, choose a counter on target permanent. Put an additional counter of that kind on that permanent.

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}.)

Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

Trample Rapid-fire Battle Cannon — When Knight Paladin enters the battlefield, it deals 4 damage to each opponent. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

{1}, {T}, Sacrifice Moonsilver Key: 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.

Sacrifice a creature: Add one mana of any color.

When Portal to Phyrexia enters the battlefield, each opponent sacrifices three creatures. At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.

{4}, {T}: You may put a creature card from your hand onto the battlefield.

Void Shields — Protection from mana value 3 or less Gatling Blaster — Whenever Reaver Titan attacks, it deals 5 damage to each opponent. Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Equipped creature has lifelink. Whenever equipped creature dies, return that card to the battlefield under its owner's control at the beginning of the next end step. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

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

{1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

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.")

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1}

{T}: Add {C}. {T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1. A Thousand Souls Die Every Day — {T}, Sacrifice a creature: Add three mana in any combination of colors.

When The Mightstone and Weakstone enters the battlefield, 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.)

You have no maximum hand size. {T}: Add {C}.

{2}{W}{W}, {T}, Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery. When Urza's Sylex is put into exile from the battlefield, you may pay {2}. If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.

Prototype {1}{U}{U} — 2/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) When Arcane Proxy enters the battlefield, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

Trample, infect, indestructible If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

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

Flying Cephalopod Sentry's power is equal to the number of artifacts you control.

Protector — Other artifact creatures you control have hexproof.

Trample, indestructible If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, 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.

Flying, lifelink Each legendary permanent you control has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Prototype {2}{U}{U} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) You may have Hulking Metamorph enter the battlefield as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to Hulking Metamorph's power and toughness.

Karn, Legacy Reforged'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.

Whenever Loran, Disciple of History or another legendary creature enters the battlefield under your control, return target artifact card from your graveyard to your hand.

This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control. Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Artifact creature spells you cast have affinity for artifacts. (They cost {1} less to cast for each artifact you control.)

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

{1}, Sacrifice a Scarecrow: Draw a card. {4}, {T}: Return target artifact creature card from your graveyard to the battlefield.

Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.

Flash Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Benediction of the Omnissiah — When Sicarian Infiltrator enters the battlefield, draw a card.

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

Prototype {3}{U} — 2/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying When Spotter Thopter enters the battlefield, scry X, where X is its power.

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.

Vigilance Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.) When Su-Chi Cave Guard dies, add eight {C}. Until end of turn, you don't lose this mana as steps and phases end.

Imprint — When Summoner's Egg enters the battlefield, you may exile a card from your hand face down. When Summoner's Egg dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Defender {U}: Surge Engine loses defender and gains "This creature can't be blocked." {2}{U}: Surge Engine becomes blue and has base power and toughness 5/4. Activate only if Surge Engine doesn't have defender. {4}{U}{U}: Draw three cards. Activate only if Surge Engine is blue and only once.

You may look at the top card of your library any time. As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library. Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

As Deification enters the battlefield, choose a planeswalker type. Planeswalkers you control of the chosen type have hexproof. As long as you control a creature, if damage dealt to a planeswalker you control of the chosen type would result in all loyalty counters on it being removed, instead all but one of those counters are removed.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Enchant artifact, creature, or planeswalker Enchanted permanent can't attack or block, and its activated abilities can't be activated.

Target creature or planeswalker you control gains protection from colorless or from the color of your choice until end of turn. If it's a creature, put a +1/+1 counter on it. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything with that quality.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Destroy target artifact or enchantment.

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

{T}: Add {W}.

Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

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

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

{T}: Add {C}. {2}, {T}, Sacrifice Demolition Field: 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}. {1}, {T}: Add one mana of any color. {4}, {T}: Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")

({T}: Add {U}.)

({T}: Add {W}.)

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands.

Razortide Bridge enters the battlefield tapped. Indestructible {T}: Add {W} or {U}.

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {W} or {U}.

{T}: Add {U}.

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

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

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

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.