9 printings of Fireblast
They range from $0.74 to $3.10 — 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.
| Premium Deck Series: Fire and Lightning | PD2 26 | — |
| Friday Night Magic 2001 | F01 12 | — |
| Visions | VIS 79 | $3.10 |
| Dominaria Remastered | DMR 119 | $1.32 |
| Duel Decks Anthology: Jace vs. Chandra | JVC 55 | $1.21 |
| World Championship Decks 1998 | WC98 br79 | $1.19 |
| Dominaria Remastered | DMR 319 | $0.86 |
| Duel Decks: Jace vs. Chandra | DD2 55 | $0.74 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.