13 printings of Terastodon
They range from $0.27 to $5.32 — a 20× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Worldwake Promos | PWWK A6 | — |
| 30th Anniversary Play Promos | P30A 18 | — |
| Secret Lair Drop | SLD 1318 | $5.32 |
| Worldwake | WWK 115 | $0.47 |
| Commander 2021 | C21 207 | $0.39 |
| Commander 2015 | C15 204 | $0.39 |
| Conspiracy | CNS 181 | $0.36 |
| Commander Legends | CMR 438 | $0.36 |
| Double Masters | 2XM 182 | $0.35 |
| Modern Horizons 3 Commander | M3C 249 | $0.34 |
| Commander 2014 | C14 218 | $0.31 |
| Commander Anthology | CMA 153 | $0.27 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.