4 printings of Aether Snap
They range from $0.58 to $2.12 — a 4× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Darksteel | DST 37 | $2.12 |
| The List | PLST DST-37 | $1.08 |
| Commander 2014 | C14 133 | $0.58 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.