{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.

{1}, Sacrifice Aether Spellbomb: Draw a card.

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

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Sacrifice a creature: Add {C}{C}.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Flying

When Biblioplex Assistant enters the battlefield, put up to one target instant or sorcery card from your graveyard on top of your library.

{2}, {T}, Sacrifice Brainstone: Draw three cards, then put two cards from your hand on top of your library in any order.

When Breya's Apprentice enters the battlefield, create a 1/1 colorless Thopter artifact creature token with flying.

{T}, Sacrifice an artifact: Choose one --

• Exile the top card of your library. Until the end of your next turn, you may play that card.

• Target creature gets +2/+0 until end of turn.

When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying.

{2}, Sacrifice two artifacts: Choose one --

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

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

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

When Chromatic Star is put into a graveyard from the battlefield, draw a card.

{3}, Sacrifice Coal Golem: Add {R}{R}{R}.

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.

+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.

{2}, {T}, Sacrifice Darkwater Egg: Add {U}{B}. Draw a card.

If you control a commander, you may cast this spell without paying its mana cost.

Exile target creature.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

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

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Sacrifice an artifact: Put a +1/+1 counter on target creature.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

{T}, Sacrifice Flight Spellbomb: Target creature gains flying until end of turn.

When Flight Spellbomb is put into a graveyard from the battlefield, you may pay {U}. If you do, draw a card.

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

When Golden Egg enters the battlefield, draw a card.

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

{2}, {T}, Sacrifice Golden Egg: You gain 3 life.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

{T}, Sacrifice an artifact: Target player mills three cards.

Whenever an artifact enters the battlefield, you may untap Grinding Station.

When Guild Globe enters the battlefield, draw a card.

{2}, {T}, Sacrifice Guild Globe: Add two mana of different colors.

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

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Add {R} for each card in target opponent's hand.

• Exile the top three cards of your library. You may play them this turn.

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.)

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

Fabricate 3 (When this creature enters the battlefield, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)

Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.

{T}: Add {C}.

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

{1}, {T}, Sacrifice Moonsilver Key: Search your library for an artifact card with a mana ability or a basic land card, reveal it, put it into your hand, then shuffle.

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.

{B}, Sacrifice Necrogen Spellbomb: Target player discards a card.

{1}, Sacrifice Necrogen Spellbomb: Draw a card.

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard.

When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Return all artifact and enchantment cards from all graveyards to the battlefield under their owners' control. (Auras with nothing to enchant remain in graveyards.)

{1}, {T}, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token.

When Origin Spellbomb is put into a graveyard from the battlefield, you may pay {W}. If you do, draw a card.

{T}, Sacrifice Panic Spellbomb: Target creature can't block this turn.

When Panic Spellbomb is put into a graveyard from the battlefield, you may pay {R}. If you do, draw a card.

When Prophetic Prism enters the battlefield, draw a card.

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

{R}, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target.

{1}, Sacrifice Pyrite Spellbomb: Draw a card.

{T}: Return target noncreature artifact card with mana value 1 or less from your graveyard to the battlefield.

Whenever a creature dies, you may untap Salvaging Station.

{2}, {T}, Sacrifice Shadowblood Egg: Add {B}{R}. Draw a card.

Flying

As long as you control four or more artifacts, Shimmer Dragon has hexproof.

Tap two untapped artifacts you control: Draw a card.

Flash

You may cast artifact spells as though they had flash.

{2}, {T}, Sacrifice Skycloud Egg: Add {W}{U}. Draw a card.

When Sleeper Dart enters the battlefield, draw a card.

{T}, Sacrifice Sleeper Dart: Target creature doesn't untap during its controller's next untap step.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Whenever a nontoken artifact you control is put into a graveyard from the battlefield, create a 1/1 colorless Servo artifact creature token.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

{W}, Sacrifice Sunbeam Spellbomb: You gain 5 life.

{1}, Sacrifice Sunbeam Spellbomb: Draw a card.

Affinity for artifacts

Flying

When Thought Monitor enters the battlefield, draw two cards.

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

Untap all artifacts you control during each other player's untap step.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

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

Wishclaw Talisman enters the battlefield with three wish counters on it.

{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.