Cheapest priced copy (Wilds of Eldraine Promos): $0.49 at Card Kingdom, near mint, their price list as of .
Specter of Mortality 
Creature — Specter · 3/3 · Rare · Wilds of Eldraine · #342
Flying
When this creature enters, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
4 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Wilds of Eldraine Promos | 107p | Rare | $0.49 | $0.49 |
| Wilds of Eldraine Promos | 107s | Rare | — | $0.49 |
| Wilds of Eldraine | 107 | Rare | $0.49 | $0.49 |
| Wilds of Eldraine | 342 | Rare | $0.49 | $0.49 |