15 printings of Elvish Mystic
They range from $0.51 to $74.98 — a 147× 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 2014 | F14 2 | — |
| Secret Lair Drop | SLD 805 | $74.98 |
| Secret Lair Drop | SLD 475 | $9.95 |
| The Hobbit Eternal | HOC 205 | $5.26 |
| Time Spiral Remastered | TSR 360 | $4.78 |
| Commander Masters | CMM 284 | $2.89 |
| Commander Masters | CMM 648 | $1.36 |
| Tales of Middle-earth Commander | LTC 238 | $1.19 |
| Kaldheim Commander | KHC 58 | $1.03 |
| Duel Decks: Elves vs. Inventors | DDU 7 | $0.99 |
| Magic 2014 | M14 169 | $0.78 |
| Secrets of Strixhaven Commander | SOC 266 | $0.53 |
| Commander 2014 | C14 191 | $0.51 |
| Magic 2015 | M15 173 | $0.51 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.