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Rules guide · Artifact

Mouser FoundryHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Teenage Mutant Ninja Turtles· March 6, 2026
Carte Magic Mouser Foundry

Mouser Foundry is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

When this artifact enters or leaves the battlefield, create a 1/1 colorless Robot artifact creature token. {4}{R}, Sacrifice this artifact: It deals 3 damage to target creature.

How it works : Mouser Foundry

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

02

Popular combos

Real combos played by the community, sorted by popularity.

Chrome Dome
+Krark-Clan Ironworks
+Mouser Foundry
#1

Chrome Dome + Krark-Clan Ironworks + Mouser Foundry

Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite creature ETB
  1. 1Activate Chrome Dome by paying {5}, creating a token copy of Mouser Foundry.
  2. 2When Mouser Foundry enters, it triggers, creating a 1/1 Robot artifact creature token.
  3. 3Activate Krark-Clan Ironworks twice by sacrificing the Robot and the Mouser Foundry token, adding {C}{C}{C}{C}.
  4. 4Mouser Foundry triggers, creating a 1/1 Robot artifact creature token.
  5. 5Activate Krark-Clan Ironworks by sacrificing the Robot, adding {C}{C}.
  6. 6Repeat.

Related cards and tokens

03

Legal formats

standardfuturehistorictimelessgladiatorpioneermodernlegacypaupervintagecommanderoathbreakerstandardbrawlbrawlcompetitivebrawlalchemypaupercommanderdueltlr
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Meta decks with Mouser Foundry

No archived Top 8 deck with this card yet.

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Official source