The ListPLST SHM-166
Helm of the Ghastlord
common in The List
No price for this printing yet. That is not the same as worthless — the feed simply has no listing for it.
2 printings of Helm of the Ghastlord
Same name, different printings. 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.
