6 printings of Frost Titan
They range from $0.46 to $3.06 — a 7× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Duels of the Planeswalkers 2012 Promos | PDP12 1 | — |
| Secret Lair Drop | SLD 220 | $3.06 |
| Magic 2011 | M11 55 | $0.66 |
| Magic 2012 | M12 55 | $0.53 |
| Commander 2014 | C14 112 | $0.46 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.