Lokhust Heavy Destroyer is a rare Artifact Creature — Necron card from Warhammer 40,000 Commander (40K), collector number 38. Current market price: $0.47, TCGplayer market prices via Scryfall.
Flying Enmitic Exterminator — When this creature enters, each player sacrifices a creature of their choice. Unearth {5}{B}{B}{B} ({5}{B}{B}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)