4 cards where the set is “40k” and the collector number >= 177 and the collector number <= 180

Abaddon the Despoiler (Warhammer 40,000 Commander #178)
Inquisitor Greyfax (Warhammer 40,000 Commander #179)
Szarekh, the Silent King (Warhammer 40,000 Commander #177)
The Swarmlord (Warhammer 40,000 Commander #180)

Though this query has ended, its relics still slumber in New Argive.