4 printings of Dread Drone
They range from $0.05 to $0.25 — 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 152 | $0.25 |
| Rise of the Eldrazi | ROE 108 | $0.17 |
| Modern Masters 2015 | MM2 80 | $0.05 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.