5 printings of Crystalline Giant
They range from $0.37 to $3.66 — a 10× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Ikoria: Lair of Behemoths Promos | PIKO 234s | — |
| Ikoria: Lair of Behemoths | IKO 361 | $3.66 |
| Ikoria: Lair of Behemoths Promos | PIKO 234p | $0.90 |
| Ikoria: Lair of Behemoths | IKO 234 | $0.37 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.