{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

{T}: Add {C}.

{2}, {T}: Tap target noncreature artifact.

Nonbasic lands are Mountains.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

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

Indestructible

{T}: Add {C}.

{5}, {T}: Add five mana in any combination of colors.

As an additional cost to cast this spell, discard two cards.

Draw three cards.

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.

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)

{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

Coldsteel Heart enters the battlefield tapped.

As Coldsteel Heart enters the battlefield, choose a color.

{T}: Add one mana of the chosen color.

You may play lands from your graveyard.

+2: Discard up to two cards, then draw that many cards.

-2: Sacrifice an artifact. If you do, return target artifact card from your graveyard to the battlefield.

-10: You get an emblem with "Whenever an artifact is put into your graveyard from the battlefield, return that card to the battlefield at the beginning of the next end step."

Daretti, Scrap Savant can be your commander.

Indestructible

{T}: Add {C}.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Indestructible

{T}: Add one mana of any color.

Each player sacrifices five lands. Destructive Force deals 5 damage to each creature.

Destroy all creatures and lands.

{T}: Add {C}.

{3}: Return Drownyard Temple from your graveyard to the battlefield tapped.

{T}: Add {C}.

When Dunes of the Dead is put into a graveyard from the battlefield, create a 2/2 black Zombie creature token.

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.

{T}: Add {C}.

{3}, {T}, Sacrifice a land: Destroy target nonbasic land.

Creatures with power greater than the number of cards in your hand can't attack.

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)

Everflowing Chalice enters the battlefield with a charge counter on it for each time it was kicked.

{T}: Add {C} for each charge counter on Everflowing Chalice.

Draw two cards, then discard two cards.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Fire Diamond enters the battlefield tapped.

{T}: Add {R}.

{T}: Add {R}.

{4}{R}: Foriysian Totem becomes a 4/4 red Giant artifact creature with trample until end of turn.

As long as Foriysian Totem is a creature, it can block an additional creature each combat.

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

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

{T}: Add {C}.

When Gods' Eye, Gate to the Reikai is put into a graveyard from the battlefield, create a 1/1 colorless Spirit creature token.

{T}: Add {R}.

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Guardian Idol enters the battlefield tapped.

{T}: Add {C}.

{2}: Guardian Idol becomes a 2/2 Golem artifact creature until end of turn.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

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.

Nonartifact spells cost {1} more to cast.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

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

{T}: Add {C}.

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

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

{4}, {T}, Sacrifice Mindslaver: You control target player during that player's next turn. (You see all cards that player could see and make all decisions for the player.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

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.

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.

Nevinyrral's Disk enters the battlefield tapped.

{1}, {T}: Destroy all artifacts, creatures, and enchantments.

This spell can't be countered.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

{T}: Mill two cards.

{2}, Exile Perpetual Timepiece: Shuffle any number of target cards from your graveyard into your library.

{T}: Add {C}.

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

If a player would draw a card, that player skips that draw instead.

At the beginning of each end step, each player sacrifices a permanent unless they discard a card.

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens.

Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems.

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

Each player exiles all artifact cards from their graveyard, then sacrifices all artifacts they control, then puts all cards they exiled this way onto 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.

Shriekhorn enters the battlefield with three charge counters on it.

{T}, Remove a charge counter from Shriekhorn: Target player mills two cards.

No more than one creature can attack each combat.

No more than one creature can block each combat.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

At the beginning of your upkeep, you may put a soot counter on Smokestack.

At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.

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

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.

Spells cost {1} more to cast.

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.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Fading 4 (This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

Flying

At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

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

As an additional cost to cast this spell, discard a card.

Draw two cards.

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

As an additional cost to cast this spell, sacrifice an artifact.

Return target artifact card from your graveyard to the battlefield.

{T}: Add {C}.

{7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Each player discards their hand, then draws seven cards.

As an additional cost to cast this spell, discard a card.

Draw two cards.

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Worn Powerstone enters the battlefield tapped.

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

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.

When Zhalfirin Void enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {C}.