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Jhoira's Familiarutility$1.51Both reduce the effective cost of artifact spells, but Jhoira's Familiar does it by discounting historic spells rather than granting convoke. It fills a very similar artifact-support role in blue-heavy artifact decks.Etherium Sculptorramp$0.74This is one of the closest functional equivalents, making your artifact spells cheaper rather than letting creatures convoke them. It is a staple early-game artifact enabler with the same cost bracket.Foundry Inspectorramp$0.44A colorless version of artifact cost reduction that plays the same deck-building role as Chief Engineer in artifact-heavy shells. It is a bit more expensive, but broader and easier to splash.Cloud Keyramp$2.83Cloud Key reduces the cost of a chosen card type, often artifacts, and serves as a flexible artifact-mana enabler. It is slower than Chief Engineer but occupies the same support slot.Semblance Anvilramp$6.55This can function as a powerful artifact-spell reducer if you imprint an artifact card, often enabling large tempo swings. It is more conditional than Chief Engineer, but can be much stronger in dedicated builds.Jhoira, Weatherlight Captaincard_draw$1.14Jhoira rewards casting artifacts by drawing cards, which is a different payoff but often fills the same role in artifact combo/value decks. She is a premier blue commander for the same archetype.Emry, Lurker of the Lochutility$3.15Emry supports artifact-heavy strategies by recurring artifacts from the graveyard, giving similar deck support to Chief Engineer's artifact-centric utility. She is cheaper and more recursive rather than a cost enabler.Sai, Master Thopteristutility$0.49Sai provides artifact-focused value and a board presence that helps artifact decks function, especially by turning cheap artifacts into tokens. It is not a cost reducer, but it serves the same blue artifact-engine role.
