13 printings of Warp Artifact
They range from $0.34 to $74.75 — a 220× 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 135 | — |
| 30th Anniversary Edition | 30A 130 | — |
| 30th Anniversary Edition | 30A 427 | — |
| Rivals Quick Start Set | RQS 27 | — |
| Limited Edition Alpha | LEA 133 | — |
| Limited Edition Beta | LEB 134 | $74.75 |
| Unlimited Edition | 2ED 134 | $24.99 |
| Introductory Two-Player Set | ITP 28 | $8.63 |
| Collectors' Edition | CED 134 | $4.33 |
| Intl. Collectors' Edition | CEI 134 | $2.99 |
| Fifth Edition | 5ED 204 | $0.44 |
| Fourth Edition | 4ED 169 | $0.34 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.