10 printings of Elven Riders
They range from $0.10 to $9.95 — a 100× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Introductory Two-Player Set | ITP 40 | — |
| Rivals Quick Start Set | RQS 39 | — |
| Legends | LEG 183 | $9.95 |
| Fifth Edition | 5ED 291 | $0.30 |
| Tenth Edition | 10E 259 | $0.23 |
| Fourth Edition | 4ED 242 | $0.19 |
| Duels of the Planeswalkers | DPA 59 | $0.19 |
| Onslaught | ONS 254 | $0.15 |
| The List | PLST ONS-254 | $0.10 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.