Basketball Parallel Guide
Upper Deck MJx Player Checklist Guide
Explore Upper Deck MJx player checklists and card counts by season.
- Seasons
- 1
- Checklist cards
- 439
About Upper Deck MJx
MJx uses its complete physical-card ledger rather than a fabricated Base rainbow. Every mapped card retains its release, family, version, serial evidence, partners, and source identity.
Research note
1 complete basketball releases map 439 exact physical player-bearing checklist identities from the canonical ledger.