17 printings of Reality Shift
They range from $0.22 to $4.88 — a 22× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Secret Lair Drop | SLD 1781 | $4.88 |
| Ugin's Fate | UGIN 46 | $2.19 |
| Tarkir: Dragonstorm Commander | TDC 163 | $0.65 |
| Neon Dynasty Commander | NEC 95 | $0.55 |
| March of the Machine Commander | MOC 231 | $0.43 |
| Commander Masters | CMM 634 | $0.42 |
| Wilds of Eldraine Commander | WOC 104 | $0.38 |
| The List | PLST C19-92 | $0.35 |
| Fate Reforged | FRF 46 | $0.34 |
| Lorwyn Eclipsed Commander | ECC 68 | $0.32 |
| Commander 2017 | C17 91 | $0.31 |
| Commander Masters | CMM 113 | $0.29 |
| Aetherdrift Commander | DRC 39 | $0.29 |
| Duskmourn: House of Horror Commander | DSC 125 | $0.28 |
| Secrets of Strixhaven Commander | SOC 199 | $0.26 |
| The List | PLST NEC-95 | $0.22 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.