4 printings of Heart-Piercer Bow
They range from $0.05 to $0.23 — a 5× 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 Masters | CMM 390 | $0.23 |
| Khans of Tarkir | KTK 221 | $0.17 |
| Core Set 2020 | M20 228 | $0.05 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.