What it does
I'm not familiar with "Children of the Cult" as an official Magic: The Gathering keyword or ability, and I don't want to invent rules for something that may not exist.
It's possible you're thinking of a specific card name, a custom/unofficial mechanic, a flavor term, or a misremembered keyword. If you can give me more context—like the card it appears on, the set, or what the ability text actually says—I can explain how it works and its relevance in Commander.
If you meant a real keyword (for example, Cult-related mechanics from sets like Ravnica's Cult of Rakdos, or abilities like Unleash, Hellbent, or Cipher), let me know and I'll break it down clearly.
Iconic cards with Children of the Cult
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