Whenever a permanent you control is put into a graveyard, you get {E} (an energy counter).

{T}, Pay six {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.

Flash

This spell costs {1} less to cast for each attacking creature.

Trample

When Ancient Stone Idol dies, create a 6/12 colorless Construct artifact creature token with trample.

Trample

{3}{R}, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's mana value to any target.

When Cathodion dies, add {C}{C}{C}.

When Circuit Mender enters the battlefield, you gain 2 life.

When Circuit Mender leaves the battlefield, draw a card.

When Clockwork Fox leaves the battlefield, you draw two cards and each opponent draws a card.

Imprint -- When Clone Shell enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.

When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

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.

Whenever Dross Scorpion or another artifact creature dies, you may untap target artifact.

Flash

This spell costs {1} less to cast for each attacking creature you control.

When Embercleave enters the battlefield, attach it to target creature you control.

Equipped creature gets +1/+1 and has double strike and trample.

Equip {3}

Epochrasite enters the battlefield with three +1/+1 counters on it if you didn't cast it from your hand.

When Epochrasite dies, exile it with three time counters on it and it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, cast this card without paying its mana cost. It has haste.)

When Experimental Synthesizer enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.

{2}{R}, Sacrifice Experimental Synthesizer: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a colorless artifact token named Scrap.

{1}{R}, Sacrifice an artifact: Choose one --

• Put a +1/+1 counter on Farid. It gains menace until end of turn.

• Goad target creature.

• Discard a card, then draw a card.

When Filigree Familiar enters the battlefield, you gain 2 life.

When Filigree Familiar dies, draw a card.

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

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

At the beginning of your upkeep, sacrifice Goblin Boom Keg.

When Goblin Boom Keg is put into a graveyard from the battlefield, it deals 3 damage to any target.

Defender

{2}: Golden Guardian fights another target creature you control. When Golden Guardian dies this turn, return it to the battlefield transformed under your control.

(Transforms from Golden Guardian.)

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

{4}, {T}: Create a 4/4 colorless Golem artifact creature token.

When Harvest Hand dies, return it to the battlefield transformed under your control.

Equipped creature gets +1/+1.

As long as equipped creature is a Human, it has menace. (It can't be blocked except by two or more creatures.)

Equip {2}

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

{R}, Sacrifice Implement of Combustion: It deals 1 damage to target player or planeswalker.

When Implement of Combustion is put into a graveyard from the battlefield, draw a card.

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.

Trample

Frenzied Rampage -- At the beginning of combat on your turn, choose an opponent at random. Knight Rampager attacks that player this combat if able.

When Knight Rampager dies, it deals 4 damage to target opponent chosen at random.

Sacrifice an artifact: Add {C}{C}.

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

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

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.

Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

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 Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

When Myr Moonvessel dies, add {C}.

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

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {4}. If you do, return that card to the battlefield and attach Nim Deathmantle to it.

Equip {4}

Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control.)

Haste

When Papercraft Decoy leaves the battlefield, you may pay {2}. If you do, draw a card.

When Perilous Myr dies, it deals 2 damage to any target.

When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.

Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them.

When Prized Statue enters the battlefield or is put into a graveyard from the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{2}, {T}: You may tap or untap target creature.

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.)

{3}, {T}: Retributive Wand deals 1 damage to any target.

When Retributive Wand is put into a graveyard from the battlefield, it deals 5 damage to any target.

Menace

When Ruin Grinder dies, each player may discard their hand and draw seven cards.

Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Flash

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{T}: Target creature gets +0/+1 until end of turn.

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.

Scuttling Doom Engine can't be blocked by creatures with power 2 or less.

When Scuttling Doom Engine dies, it deals 6 damage to target opponent or planeswalker.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

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}, Sacrifice an artifact: Add an amount of {R} equal to the sacrificed artifact's mana value. Spend this mana only to cast artifact spells or activate abilities of artifacts.

Affinity for artifacts

Artifact landcycling {2} ({2}, Discard this card: Search your library for an artifact land card, reveal it, put it into your hand, then shuffle.)

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.

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.

When Su-Chi dies, add {C}{C}{C}{C}.

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.

{T}: Create a 2/2 colorless Pincher creature token.

Whenever an artifact is put into a graveyard from the battlefield, you may untap Summoning Station.

As long as equipped creature is tapped, tapped creatures you control get +2/+0.

As long as equipped creature is untapped, untapped creatures you control get +0/+2.

{3}: You may tap or untap equipped creature.

Equip {3}

Players can't activate planeswalkers' loyalty abilities.

At the beginning of your draw step, draw an additional card.

Spells you cast cost {1} less to cast.

Creatures you control get +1/+1.

Equipped creature has "{2}, {T}: This creature deals 1 damage to any target" and "Whenever a creature dies, untap this creature."

Whenever a Shaman creature enters the battlefield, you may attach Thornbite Staff to it.

Equip {4}

You may activate abilities of creatures you control as though those creatures had haste.

{1}, {T}: Untap target creature.

Flash

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{T}: Target creature gets +1/+0 until end of turn.

When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order.

Flying, vigilance, trample

When Triplicate Titan dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.

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.