Terror of the Fairgrounds has 1 printing, first in Kaladesh (2016). EDHREC ranks it #30,208 among Commander cards. It appears most in Barktooth Warbeard decks (40 on EDHREC).
Legality
commander: legal
legacy: legal
vintage: legal
pauper: legal
modern: legal
pioneer: legal
standard: not legal
brawl: not legal
Commanders that run Terror of the Fairgrounds most