11 printings of Slippery Karst
They range from $0.12 to $0.31 — 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.
| Anthologies | ATH 75 | $0.31 |
| Commander 2015 | C15 307 | $0.30 |
| Urza's Saga | USG 327 | $0.28 |
| Commander 2014 | C14 311 | $0.27 |
| Duel Decks: Garruk vs. Liliana | DDD 26 | $0.26 |
| Beatdown Box Set | BTD 76 | $0.24 |
| Battle Royale Box Set | BRB 73 | $0.23 |
| Dominaria Remastered | DMR 256 | $0.23 |
| Duel Decks Anthology: Garruk vs. Liliana | GVL 26 | $0.20 |
| Commander 2013 | C13 324 | $0.12 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.