Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Whenever another permanent enters the battlefield under your control, each opponent mills a card.

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

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

{1}, {T}, Sacrifice Barbed Sextant: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

{T}, Sacrifice a creature: Blasting Station deals 1 damage to any target.

Whenever a creature enters the battlefield, you may untap Blasting Station.

Vigilance

{T}, Sacrifice Bounty Agent: Destroy target legendary permanent that's an artifact, creature, or enchantment.

Flying

Whenever you cast a creature spell with mana value 3 or less, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Flash

{1}, Sacrifice Cathar Commando: Destroy target artifact or enchantment.

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

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

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

When Circuit Mender leaves the battlefield, draw a card.

Destroy all creatures with toughness 4 or greater.

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

Sacrifice Commander's Sphere: Draw a card.

{T}, Sacrifice Delif's Cone: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

Tap target creature.

Metalcraft -- If you control three or more artifacts, exile that creature.

{2}{W}, {T}, Sacrifice Dispeller's Capsule: Destroy target artifact or enchantment.

Destroy all creatures with power 3 or greater.

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Aftermath (Cast this spell only from your graveyard. Then exile it.)

Return all creature cards with power 2 or less from your graveyard to your hand.

Lifelink

When Extraction Specialist enters the battlefield, return target creature card with mana value 2 or less from your graveyard to the battlefield. That creature can't attack or block for as long as you control Extraction Specialist.

Sacrifice a creature: Regenerate target creature.

When Fiend Hunter enters the battlefield, you may exile another target creature.

When Fiend Hunter leaves the battlefield, return the exiled card to the battlefield under its owner's control.

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.

Flying

When Glint Hawk enters the battlefield, sacrifice it unless you return an artifact you control to its owner's hand.

{T}: Add {W}.

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

{W}, Sacrifice Implement of Improvement: You gain 2 life.

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

When Ingenious Smith enters the battlefield, look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever one or more artifacts enter the battlefield under your control, put a +1/+1 counter on Ingenious Smith. This ability triggers only once each turn.

Flying

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

Flying

When Kor Skyfisher enters the battlefield, return a permanent you control to its owner's hand.

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

Lens Flare deals 5 damage to target attacking or blocking creature.

When Leonin Relic-Warder enters the battlefield, you may exile target artifact or enchantment.

When Leonin Relic-Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.

When Leonin Squire enters the battlefield, return target artifact card with mana value 1 or less from your graveyard to your hand.

{T}: Add {C}.

Marble Diamond enters the battlefield tapped.

{T}: Add {W}.

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

{T}, Put a page counter on Mazemind Tome: Scry 1.

{2}, {T}, Put a page counter on Mazemind Tome: Draw a card.

When there are four or more page counters on Mazemind Tome, exile it. If you do, you gain 4 life.

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw 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 Moonvessel dies, add {C}.

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

Flying

Flying

{T}: Add one mana of any color.

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

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

{T}: Add {C}.

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

{W}, Sacrifice Restoration Specialist: Return up to one target artifact card and up to one target enchantment card from your graveyard to your hand.

{W}, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand.

Sacrifice Salvager of Ruin: Choose target permanent card in your graveyard that was put there from the battlefield this turn. Return it to your hand.

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.

{T}: Add {C}.

{4}, {T}, Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

Flying

When Skyscanner enters the battlefield, draw a card.

Each player chooses any number of creatures they control with total power 4 or less, then sacrifices all other creatures they control.

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

Spare Supplies enters the battlefield tapped.

When Spare Supplies enters the battlefield, draw a card.

{2}, {T}, Sacrifice Spare Supplies: Draw a card.

Flash

{5}, {T}, Sacrifice Spiked Pit Trap: Choose target creature, then roll a d20.

1--9 | Spiked Pit Trap deals 5 damage to that creature.

10--20 | Spiked Pit Trap deals 5 damage to that creature. Create a Treasure token.

When Spirited Companion enters the battlefield, draw a card.

Flying

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

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

Equip {1}

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

Flying

Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

When Treasure Hunter enters the battlefield, you may return target artifact card from your graveyard to your hand.

When Trusty Packbeast enters the battlefield, return target artifact card from your graveyard to your hand.

Defender

When Wall of Omens enters the battlefield, draw a card.

Sacrifice Welding Jar: Regenerate target artifact.

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