14 printings of Taurean Mauler
They range from $0.67 to $2.91 — 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.
| Secret Lair Drop | SLD 1899 | — |
| Morningtide | MOR 109 | $2.91 |
| Neon Dynasty Commander | NEC 111 | $2.24 |
| Planechase | HOP 67 | $1.77 |
| The List | PLST CM2-122 | $1.56 |
| Commander 2015 | C15 167 | $1.56 |
| Archenemy | ARC 49 | $1.44 |
| Commander 2016 | C16 135 | $1.35 |
| The List | PLST MOR-109 | $1.32 |
| Commander Anthology Volume II | CM2 122 | $1.05 |
| Forgotten Realms Commander | AFC 143 | $0.99 |
| Tarkir: Dragonstorm Commander | TDC 238 | $0.82 |
| The List | PLST NEC-111 | $0.67 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.