Cheapest priced copy (Edge of Eternities): $0.35 at Card Kingdom, near mint, their price list as of .
Fell Gravship 
Artifact — Spacecraft · 3/2 · Uncommon · Edge of Eternities · #101
When this Spacecraft enters, mill three cards, then return a creature or Spacecraft card from your graveyard to your hand.
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 8+.)
8+ | Flying, lifelink
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 101 | Uncommon | $0.35 | $0.49 |
| The List | EOE-101 | Uncommon | — | — |