The Scarlet Keys Investigator Expansion Master Set Checklist
Released September 30, 2022
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128
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set cards
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The Scarlet Keys Investigator Expansion Master Set
The Scarlet Keys Investigator Expansion is an Arkham Horror: The Card Game set released in September 2022. It has 128 cards in the base set, counting every variant. Not sure which one you're chasing? Read What Is a Master Set?

