5 printings of Pit Keeper
They range from $0.06 to $0.21 — 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.
| Modern Masters 2017 | MM3 81 | $0.21 |
| The List | PLST MM3-81 | $0.19 |
| Time Spiral Remastered | TSR 130 | $0.10 |
| Time Spiral | TSP 123 | $0.06 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.