Cheapest priced copy (Unfinity): $0.35 at Card Kingdom, near mint, their price list as of .
Petting Zookeeper 
Creature — Elf Employee · 0/4 · Common · Unfinity · #150
Reach
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