20 printings of Mentor of the Meek
They range from $0.13 to $4.99 — a 38× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| The Hobbit Eternal | HOC 170 | $4.99 |
| Double Masters 2022 | 2X2 340 | $0.62 |
| March of the Machine Commander | MOC 196 | $0.40 |
| Innistrad Remastered | INR 34 | $0.35 |
| Phyrexia: All Will Be One Commander | ONC 81 | $0.35 |
| Commander 2016 | C16 69 | $0.35 |
| Crimson Vow Commander | VOC 93 | $0.33 |
| Archenemy: Nicol Bolas | E01 15 | $0.33 |
| Jumpstart | JMP 121 | $0.32 |
| Innistrad Remastered | INR 345 | $0.31 |
| Tales of Middle-earth Commander | LTC 173 | $0.30 |
| Double Masters 2022 | 2X2 17 | $0.30 |
| The List | PLST 2X2-17 | $0.29 |
| Innistrad | ISD 21 | $0.29 |
| Core Set 2019 | M19 27 | $0.28 |
| Foundations Jumpstart | J25 99 | $0.27 |
| Commander 2014 | C14 79 | $0.20 |
| Starter Commander Decks | SCD 28 | $0.15 |
| Foundations | FDN 578 | $0.13 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.