26 printings of Forgotten Cave
They range from $0.13 to $0.40 — a 3× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Warhammer 40,000 Commander | 40K 280★ | — |
| Duel Decks Anthology: Elves vs. Goblins | EVG 57 | $0.40 |
| Phyrexia: All Will Be One Commander | ONC 153 | $0.37 |
| Commander 2020 | C20 274 | $0.36 |
| Bloomburrow Commander | BLC 305 | $0.35 |
| Commander 2021 | C21 289 | $0.32 |
| Warhammer 40,000 Commander | 40K 280 | $0.32 |
| Modern Horizons | MH1 239 | $0.32 |
| Commander Legends | CMR 483 | $0.31 |
| Foundations Jumpstart | J25 766 | $0.30 |
| Modern Horizons 3 Commander | M3C 343 | $0.29 |
| The List | PLST C18-246 | $0.29 |
| Duel Decks: Elves vs. Goblins | DD1 57 | $0.25 |
| Commander 2013 | C13 289 | $0.25 |
| Onslaught | ONS 317 | $0.25 |
| Jumpstart 2022 | J22 814 | $0.24 |
| The List | PLST M3C-343 | $0.22 |
| Commander 2015 | C15 284 | $0.21 |
| Commander 2014 | C14 296 | $0.21 |
| Commander Anthology Volume II | CM2 252 | $0.19 |
| Duel Decks: Izzet vs. Golgari | DDJ 33 | $0.18 |
| Duel Decks: Merfolk vs. Goblins | DDT 59 | $0.17 |
| Commander 2018 | C18 246 | $0.17 |
| Commander Anthology | CMA 249 | $0.15 |
| Commander 2011 | CMD 273 | $0.13 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.