{2}{B}, {T}, Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

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Create a tapped 4/1 black Skeleton creature token with menace. (Then exile this card. You may cast the artifact later from exile.)

Lord of the Pyrrhian Legions -- Whenever Anrakyr the Traveller attacks, you may cast an artifact spell from your hand or graveyard by paying life equal to its mana value rather than paying its mana cost.

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

Whenever Armix, Filigree Thrasher attacks, you may discard a card. When you do, target creature defending player controls gets -X/-X until end of turn, where X is the number of artifacts you control plus the number of artifact cards in your graveyard.

Partner (You can have two commanders if both have partner.)

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

Whenever you cast an artifact spell, you lose 1 life and create a 2/2 black Necron Warrior artifact creature token.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

{2}, {T}: Add {B} for each Swamp you control.

Flying

Feeder Mandibles -- When Canoptek Scarab Swarm enters the battlefield, exile target player's graveyard. For each artifact or land card exiled this way, create a 1/1 colorless Insect artifact creature token with flying.

Flying

Fabricator Claw Array -- Whenever another nontoken artifact creature or Vehicle enters the battlefield under your control, draw a card.

Vigilance

Exile Cannon -- When Canoptek Tomb Sentinel enters the battlefield 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.)

Wraith Form -- Canoptek Wraith can't be blocked.

Transdimensional Scout -- When Canoptek Wraith deals combat damage to a player, you may pay {3} and sacrifice it. If you do, choose a land you control. Then search your library for up to two basic land cards which have the same name as the chosen land, put them onto the battlefield tapped, then shuffle.

Flying

Atomic Transmutation -- {1}, {T}, Sacrifice another artifact: Draw a card.

Unearth {2}{B} ({2}{B}: 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.)

Trample

When you cast this spell and whenever Cityscape Leveler attacks, destroy up to one target nonland permanent. Its controller creates a tapped Powerstone token.

Unearth {8}

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

{1}{B}, {T}: Choose another target artifact creature you control. When that creature dies this turn, return it to the battlefield tapped under your control.

Protector -- Other artifact creatures you control have hexproof.

Add {B}{B}{B}.

Return target creature card from your graveyard to the battlefield.

Flashback--Sacrifice three creatures. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

As long as Filth is in your graveyard and you control a Swamp, creatures you control have swampwalk.

Lifelink

Flesh Flayer -- When Flayed One enters the battlefield, mill three cards.

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

Multi-threat Eliminator -- Hexmark Destroyer can't be blocked except by six or more creatures.

Unearth {4}{B}{B} ({4}{B}{B}: 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.)

Secrets of the Soul -- {T}, Sacrifice another creature: Add an amount of {B} equal to the sacrificed creature's mana value.

Phaeron -- Whenever one or more artifact cards leave your graveyard, create two 2/2 black Necron Warrior artifact creature tokens.

Grand Strategist -- At the beginning of combat on your turn, another target artifact creature you control gets +2/+2 and gains menace until end of turn.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.)

Mill five cards, then return a creature card from your graveyard to the battlefield.

Flying

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

Flying

When Junk Diver dies, return another target artifact card from your graveyard to your hand.

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

{T}: Add {B}.

Flash

Flying

You may cast colorless spells and artifact spells as though they had flash.

Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator.

Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Flying

Enmitic Exterminator -- When Lokhust Heavy Destroyer enters the battlefield, each player sacrifices a creature.

Unearth {5}{B}{B}{B} ({5}{B}{B}{B}: 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.)

Choose target creature. You lose 2 life. Until end of turn, that creature gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Malakir Mire enters the battlefield tapped.

{T}: Add {B}.

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

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

{T}: Add {C}.

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

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

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 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.

Flash

Synaptic Disintegrator -- When Necron Deathmark enters the battlefield, destroy up to one target creature and target player mills three cards.

Relentless March -- {X}, {T}, Tap X untapped artifacts you control: Target opponent loses X life.

Menace

When Noxious Gearhulk enters the battlefield, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.

Flying

{T}: Add one mana of any color.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

{T}: Add {C}.

As an additional cost to cast this spell, you may sacrifice one or more creatures. When you do, copy this spell for each creature sacrificed this way.

You draw a card and you lose 1 life.

Flying

Harbinger of Despair -- Whenever Psychomancer or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, target opponent loses 1 life and you gain 1 life.

Flash

Elite Troops -- Sautekh Immortal enters the battlefield with a +1/+1 counter on it for each creature that died this turn.

{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.

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

Flying

Drain Life -- When Shard of the Nightbringer enters the battlefield, if you cast it, target opponent loses half their life, rounded up. You gain life equal to the life lost this way.

Flying

Spear of the Void Dragon -- Whenever Shard of the Void Dragon attacks, each opponent sacrifices a nonland permanent.

Matter Absorption -- Whenever an artifact is put into a graveyard from the battlefield or is put into exile from the battlefield, put two +1/+1 counters on Shard of the Void Dragon.

Flash

You may cast artifact spells as though they had flash.

Menace

Command Protocols -- Other artifact creatures you control get +1/+0 and have menace.

Unearth {2}{B} ({2}{B}: 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.)

({T}: Add {B}.)

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

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

Flying

My Will Be Done -- Whenever Szarekh, the Silent King attacks, mill three cards. You may put an artifact creature card or Vehicle card from among the cards milled this way into your hand.

When Technomancer enters the battlefield, mill three cards, then return any number of artifact creature cards with total mana value 6 or less from your graveyard to the battlefield.

Destroy all nonartifact creatures.

Create X tapped 2/2 black Necron Warrior artifact creature tokens, then you gain life equal to the number of artifacts you control. Exile Their Number Is Legion.

You may cast Their Number Is Legion from your graveyard.

Flying

Whenever Tomb Blade deals combat damage to a player, that player loses life equal to the number of creatures they control unless they sacrifice a creature.

Unearth {6}{B}{B}

Tomb Fortress enters the battlefield tapped.

{T}: Add {B}.

{2}{B}{B}{B}, {T}, Exile Tomb Fortress: Mill four cards, then return a creature card from your graveyard to the battlefield. Activate only as a sorcery.

{B}, Discard a creature card: Return target creature card from your graveyard to your hand.

Flying

Dynastic Codes -- When Triarch Praetorian enters the battlefield from a graveyard, you draw two cards and you lose 2 life.

Unearth {4}{B} ({4}{B}: 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.)

Targeting Relay -- At the beginning of combat on your turn, choose an opponent.

Creatures attacking the last chosen player have menace.

Each land is a Swamp in addition to its other land types.

Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When Workshop Assistant dies, return another target artifact card from your graveyard to your hand.

Deathtouch, lifelink

When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.