3 printings of Elmar, Ulvenwald Informant
They range from $0.34 to $5.82 — a 17× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Secret Lair Drop | SLD 345 | $5.82 |
| Universes Within | SLX 4 | $0.34 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.