9 printings of Urza's Rage
They range from $0.19 to $2.69 — a 14× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Duel Decks: Phyrexia vs. the Coalition | DDE 36 | — |
| Invasion | INV 178 | $2.69 |
| World Championship Decks 2001 | WC01 jt178 | $1.99 |
| World Championship Decks 2001 | WC01 ar178 | $0.82 |
| World Championship Decks 2001 | WC01 tvdl178 | $0.58 |
| The List | PLST C15-169 | $0.35 |
| Strixhaven Mystical Archive | STA 47 | $0.31 |
| Modern Horizons | MH1 151 | $0.19 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.