9 printings of Frenzied Goblin
They range from $0.08 to $0.28 — a 4× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Friday Night Magic 2015 | F15 1 | — |
| Ravnica: City of Guilds | RAV 125 | $0.28 |
| Foundations | FDN 199 | $0.20 |
| Ravnica: Clue Edition | CLU 135 | $0.20 |
| Duel Decks: Speed vs. Cunning | DDN 2 | $0.18 |
| Jumpstart 2022 | J22 536 | $0.18 |
| Magic 2015 | M15 142 | $0.16 |
| Masters 25 | A25 131 | $0.08 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.