Cheapest priced copy (Unfinity): $0.35 at Card Kingdom, near mint, their price list as of .
Rad Rascal 
Creature — Devil Employee · 3/3 · Common · Unfinity · #121
When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)
Legal inCommander
Banned inLegacyVintagePauper
Not legal inBrawlStandardPioneerModern