Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter). {T}, Pay {E}{E}{E}{E}{E}{E}: Look at the top six cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

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

{1}, {T}: You gain 2 life. {2}, {T}, Exile Campfire: Put all commanders you own from the command zone and from your graveyard into your hand. Then shuffle your graveyard into your library.

When Coveted Jewel enters the battlefield, 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 Coveted Jewel. Untap it.

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

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

Equipped creature gets +3/+0 and has vigilance and trample. Whenever equipped creature dies, attach Forebear's Blade to target creature you control. Equip {3}

Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control, you get {E}{E} (two energy counters). Pay {E}{E}{E}{E}{E}{E}{E}{E}, Exile Gonti's Aether Heart: Take an extra turn after this one.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

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

Rotating Fireplace enters the battlefield tapped with a time counter on it. {T}: Add an amount of {C} equal to the number of time counters on Rotating Fireplace. {4}, {T}: Time travel. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

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

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

When Spine of Ish Sah enters the battlefield, destroy target permanent. When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.

{1}: Untap Staff of Domination. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

{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.")

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

Equipped creature gets +1/+1 and has vigilance and trample. Equip creature token {1} Equip {3}

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}.

Haste As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Flying Project Image — When Astral Dragon enters the battlefield, create two tokens that are copies of target noncreature permanent, except they're 3/3 Dragon creatures in addition to their other types, and they have flying.

You may have Auton Soldier enter the battlefield as a copy of any creature on the battlefield, except it isn't legendary, is an artifact in addition to its other types, and has myriad. (Whenever it attacks, for each opponent other than defending player, you may put a token that's a copy of this creature onto the battlefield tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

When Circuit Mender enters the battlefield, you gain 2 life. When Circuit Mender leaves the battlefield, draw a card.

First strike When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.

Defender {T}: Creatures you control gain haste until end of turn.

Imprint — When Duplicant enters the battlefield, you may exile target nontoken creature. As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

When Electrostatic Pummeler enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}{E}{E}: Electrostatic Pummeler gets +X/+X until end of turn, where X is its power.

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

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

Prototype {2}{R} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying {2}: Fallaji Dragon Engine gets +1/+0 until end of turn.

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

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.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

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 an artifact enters the battlefield under your control, put a +1/+1 counter on Kappa Cannoneer and it can't be blocked this turn.

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

Flying Whenever Meneldor, Swift Savior deals combat damage to a player, exile up to one target creature you own, then return it to the battlefield under your control.

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.

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

When Multiform Wonder enters the battlefield, you get {E}{E}{E} (three energy counters). Pay {E}: Multiform Wonder gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: Multiform Wonder gets +2/-2 or -2/+2 until end of turn.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

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

Artifacts you control have hexproof. At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

When Reservoir Walker enters the battlefield, you gain 3 life and get {E}{E}{E} (three energy counters).

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.

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.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

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

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

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

({T}: Add {U}.)

({T}: Add {R}.)

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

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