6 printings of Goblin Glider
They range from $0.05 to $0.39 — a 8× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Seventh Edition | 7ED 189★ | — |
| Portal Second Age | P02 98 | $0.39 |
| Starter 1999 | S99 102 | $0.24 |
| Seventh Edition | 7ED 189 | $0.14 |
| Eighth Edition | 8ED 189 | $0.05 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.