Cheapest priced copy (Warhammer 40,000 Commander): $0.59 at Card Kingdom, near mint, their price list as of .
Necron Monolith 
Artifact — Vehicle · 7/7 · Rare · Warhammer 40,000 Commander · #161
Flying, indestructible
Eternity Gate — Whenever this Vehicle attacks, mill three cards. For each creature card milled this way, create a 2/2 black Necron Warrior artifact creature token.
Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.59 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 161 | Rare | $0.59 | — |
| Warhammer 40,000 Commander | 161★ | Rare | — | — |