5 printings of Unnerve
They range from $0.13 to $0.77 — 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.
| Commander 2011 | CMD 105 | $0.77 |
| Commander Anthology Volume II | CM2 81 | $0.29 |
| Urza's Saga | USG 162 | $0.15 |
| Conspiracy: Take the Crown | CN2 150 | $0.13 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.