3 printings of Undying Malice
They range from $0.42 to $2.66 — a 6× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Innistrad: Double Feature | DBL 401 | $2.66 |
| Innistrad: Crimson Vow | VOW 134 | $0.42 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.