The Zeta SetSLZ 236
Soul-Guide Lantern
common in The Zeta Set
No price for this printing yet. That is not the same as worthless — the feed simply has no listing for it.
13 printings of Soul-Guide Lantern
They range from $0.18 to $5.65 — a 31× 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 357—
The Brothers' War Retro Artifacts
BRR 117z—
The Zeta Set
SLZ 115—
Secret Lair Drop
SLD 871$5.65
The Brothers' War Retro Artifacts
BRR 117$0.58
Phyrexia: All Will Be One Commander
ONC 142$0.39
Wilds of Eldraine
WOE 251$0.38
Theros Beyond Death
THB 237$0.32
The Brothers' War Retro Artifacts
BRR 54$0.32
Edge of Eternities Commander
EOC 143$0.27
Aetherdrift Commander
DRC 139$0.23
Foundations
FDN 680$0.18