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Foundry Assembler

~$0.13 low · ~$0.35 high

Colorless. Artifact Creature — Assembly-Worker

five generic mana

Foundry Assembler

Aether Revolt #151 · Illustrated by Karl Kopinski

What is Foundry Assembler worth?

Cheapest copy

~$0.13

Non-foil · Aether Revolt #151

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Highest TCGplayer price

~$0.35

Foil · Aether Revolt #151

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2 prices from $0.13 to $0.35. Every price is in the printings table below.

TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.

Oracle text

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

3/3

"They never tire, they never complain, and they never ask questions. Build more." —Ivash, Consulate inventor

The only printing of Foundry Assembler

PrintingRarityNon-foilFoilCardmarket (EUR)My collection

Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.

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Card details

First printed
2017
Printings
1
Mana value
5
EDHREC rank
#23,656 on EDHREC (Commander popularity)
Keywords
Improvise
Artist
Karl Kopinski

Rulings (8)

  1. 2017-02-09

    When calculating a spell's total cost, include any alternative costs, additional costs, or anything else that increases or reduces the cost to cast the spell. Improvise applies after the total cost is calculated.

  2. 2017-02-09

    Tapping an artifact won't cause its abilities to stop applying unless those abilities say so.

  3. 2017-02-09

    Equipment attached to a creature doesn't become tapped when that creature becomes tapped, and tapping that Equipment doesn't cause the creature to become tapped.

  4. 2017-02-09

    Improvise doesn't change a spell's mana cost or mana value.

  5. 2017-02-09

    If an artifact you control has a mana ability with tap this permanent in the cost, activating that ability while casting a spell with improvise will result in the artifact being tapped when you pay the spell's costs. You won't be able to tap it again for improvise. Similarly, if you sacrifice an artifact to activate a mana ability while casting a spell with improvise, that artifact won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for improvise.

  6. 2017-02-09

    Improvise can't pay for one white mana, one blue mana, one black mana, one red mana, one green mana, or one colorless mana mana symbols in a spell's total cost.

  7. 2017-02-09

    Improvise can't be used to pay for anything other than the cost of casting the spell. For example, it can't be used during the resolution of an ability that says "Counter target spell unless its controller pays three generic mana."

  8. 2017-02-09

    Because improvise isn't an alternative cost, it can be used in conjunction with alternative costs.

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