Cheapest priced copy (Warhammer 40,000 Commander): $5.49 at Card Kingdom, near mint, their price list as of .
Herald of Slaanesh 
Creature — Demon · 2/2 · Uncommon · Warhammer 40,000 Commander · #77
Locus of Slaanesh — Demon spells you cast cost {2} less to cast.
Other Demons you control have haste.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $5.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 77 | Uncommon | $5.49 | — |
| Warhammer 40,000 Commander | 77★ | Uncommon | — | — |
One ruling from Wizards of the Coast
- 7 October 2022Herald of Slaanesh's first ability only reduces the generic mana component of costs. It cannot reduce the cost of colored mana components.