Foundry Inspector
uncommon in The Brothers' War Retro Artifacts
No price for this printing yet. That is not the same as worthless — the feed simply has no listing for it.
12 printings of Foundry Inspector
They range from $0.38 to $13.01 — a 34× difference for a card with the same name. The set code and collector number printed along the bottom edge are what tell them apart.
Not sure which one you are holding? OtterDex reads the set code and collector number off the card and tells you.
The Zeta Set
SLZ 225—
The Zeta Set
SLZ 104—
The Zeta Set
SLZ 346—
Secret Lair Drop
SLD 2106$13.01
Neon Dynasty Commander
NEC 152$1.59
The List
PLST KLD-215$0.88
The Brothers' War Retro Artifacts
BRR 16$0.76
The Brothers' War Retro Artifacts
BRR 79$0.54
Kaladesh
KLD 215$0.53
Commander Legends
CMR 310$0.47
Commander Masters
CMM 385$0.38