6 printings of Brute Strength
They range from $0.06 to $0.31 — a 5× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
| Game Night 2019 | GN2 37 | $0.31 |
| Foundations Jumpstart | J25 528 | $0.27 |
| Amonkhet | AKH 122 | $0.23 |
| Duel Decks: Merfolk vs. Goblins | DDT 35 | $0.12 |
| Oath of the Gatewatch | OGW 103 | $0.06 |
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.