4 printings of Aether Tradewinds
They range from $0.05 to $0.22 — 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.
| Kaladesh | KLD 38 | $0.22 |
| Conspiracy | CNS 89 | $0.11 |
| Worldwake | WWK 24 | $0.05 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.