4 printings of Wailing Ghoul
They range from $0.10 to $0.32 — a 3× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Foundations Jumpstart | J25 511 | $0.32 |
| Jumpstart | JMP 286 | $0.21 |
| Eldritch Moon | EMN 112 | $0.10 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.