3 printings of Echo Mage
They range from $0.29 to $1.10 — 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.
| The List | PLST C13-43 | $1.10 |
| Rise of the Eldrazi | ROE 64 | $0.29 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.