10 printings of Power Leak
They range from $0.13 to $26.75 — a 206× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Summer Magic / Edgar | SUM 73 | — |
| Limited Edition Alpha | LEA 71 | $26.75 |
| 30th Anniversary Edition | 30A 368 | $11.36 |
| Limited Edition Beta | LEB 72 | $4.88 |
| Intl. Collectors' Edition | CEI 72 | $2.99 |
| Collectors' Edition | CED 72 | $2.81 |
| 30th Anniversary Edition | 30A 71 | $0.53 |
| Revised Edition | 3ED 73 | $0.15 |
| Fourth Edition | 4ED 92 | $0.13 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.